Home / 10,136.28-13,988.16-5,830.02

Finding the Fourth Proportional to 10,136.28, 13,988.16 and 5,830.02

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Solution

The fourth proportional to 10,136.28, 13,988.16 and 5,830.02 is: 8,045.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,136.28 : 13,988.16 = 5,830.02 : x
  2. Step 2: Convert to fraction form
    10,136.28/13,988.16 = 5,830.02/x
  3. Step 3: Cross multiply
    10,136.28x = 13,988.16 × 5,830.02
  4. Step 4: Simplify right side
    10,136.28x = 81,551,252.56
  5. Step 5: Solve for x
    x = 81,551,252.56/10,136.28
  6. Step 6: Final answer
    x = 8,045.48

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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.