Home / 10,045.68-13,862.54-5,569.40

Finding the Fourth Proportional to 10,045.68, 13,862.54 and 5,569.40

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Solution

The fourth proportional to 10,045.68, 13,862.54 and 5,569.40 is: 7,685.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,045.68 : 13,862.54 = 5,569.40 : x
  2. Step 2: Convert to fraction form
    10,045.68/13,862.54 = 5,569.40/x
  3. Step 3: Cross multiply
    10,045.68x = 13,862.54 × 5,569.40
  4. Step 4: Simplify right side
    10,045.68x = 77,206,030.28
  5. Step 5: Solve for x
    x = 77,206,030.28/10,045.68
  6. Step 6: Final answer
    x = 7,685.50

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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.