Home / 10,045.39-13,862.62-5,569.03

Finding the Fourth Proportional to 10,045.39, 13,862.62 and 5,569.03

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Solution

The fourth proportional to 10,045.39, 13,862.62 and 5,569.03 is: 7,685.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,045.39 : 13,862.62 = 5,569.03 : x
  2. Step 2: Convert to fraction form
    10,045.39/13,862.62 = 5,569.03/x
  3. Step 3: Cross multiply
    10,045.39x = 13,862.62 × 5,569.03
  4. Step 4: Simplify right side
    10,045.39x = 77,201,316.30
  5. Step 5: Solve for x
    x = 77,201,316.30/10,045.39
  6. Step 6: Final answer
    x = 7,685.25

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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.