Home / 19,020.78-26,248.59-10,637.34

Finding the Fourth Proportional to 19,020.78, 26,248.59 and 10,637.34

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Solution

The fourth proportional to 19,020.78, 26,248.59 and 10,637.34 is: 14,679.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,020.78 : 26,248.59 = 10,637.34 : x
  2. Step 2: Convert to fraction form
    19,020.78/26,248.59 = 10,637.34/x
  3. Step 3: Cross multiply
    19,020.78x = 26,248.59 × 10,637.34
  4. Step 4: Simplify right side
    19,020.78x = 279,215,176.35
  5. Step 5: Solve for x
    x = 279,215,176.35/19,020.78
  6. Step 6: Final answer
    x = 14,679.48

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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.