Home / 9,726.89-13,423.17-5,535.14

Finding the Fourth Proportional to 9,726.89, 13,423.17 and 5,535.14

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Solution

The fourth proportional to 9,726.89, 13,423.17 and 5,535.14 is: 7,638.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,726.89 : 13,423.17 = 5,535.14 : x
  2. Step 2: Convert to fraction form
    9,726.89/13,423.17 = 5,535.14/x
  3. Step 3: Cross multiply
    9,726.89x = 13,423.17 × 5,535.14
  4. Step 4: Simplify right side
    9,726.89x = 74,299,125.19
  5. Step 5: Solve for x
    x = 74,299,125.19/9,726.89
  6. Step 6: Final answer
    x = 7,638.53

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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.