Home / 19,050.78-26,290.95-10,667.28

Finding the Fourth Proportional to 19,050.78, 26,290.95 and 10,667.28

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Solution

The fourth proportional to 19,050.78, 26,290.95 and 10,667.28 is: 14,721.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,050.78 : 26,290.95 = 10,667.28 : x
  2. Step 2: Convert to fraction form
    19,050.78/26,290.95 = 10,667.28/x
  3. Step 3: Cross multiply
    19,050.78x = 26,290.95 × 10,667.28
  4. Step 4: Simplify right side
    19,050.78x = 280,452,925.12
  5. Step 5: Solve for x
    x = 280,452,925.12/19,050.78
  6. Step 6: Final answer
    x = 14,721.34

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.