Home / 10,386.28-15,568.22-5,038.13

Finding the Fourth Proportional to 10,386.28, 15,568.22 and 5,038.13

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Solution

The fourth proportional to 10,386.28, 15,568.22 and 5,038.13 is: 7,551.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,386.28 : 15,568.22 = 5,038.13 : x
  2. Step 2: Convert to fraction form
    10,386.28/15,568.22 = 5,038.13/x
  3. Step 3: Cross multiply
    10,386.28x = 15,568.22 × 5,038.13
  4. Step 4: Simplify right side
    10,386.28x = 78,434,716.23
  5. Step 5: Solve for x
    x = 78,434,716.23/10,386.28
  6. Step 6: Final answer
    x = 7,551.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.