Home / 19,047.85-26,277.28-12,335.68

Finding the Fourth Proportional to 19,047.85, 26,277.28 and 12,335.68

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Solution

The fourth proportional to 19,047.85, 26,277.28 and 12,335.68 is: 17,017.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,047.85 : 26,277.28 = 12,335.68 : x
  2. Step 2: Convert to fraction form
    19,047.85/26,277.28 = 12,335.68/x
  3. Step 3: Cross multiply
    19,047.85x = 26,277.28 × 12,335.68
  4. Step 4: Simplify right side
    19,047.85x = 324,148,119.36
  5. Step 5: Solve for x
    x = 324,148,119.36/19,047.85
  6. Step 6: Final answer
    x = 17,017.57

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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.