Home / 10,136.15-15,130.13-9,404.40

Finding the Fourth Proportional to 10,136.15, 15,130.13 and 9,404.40

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Solution

The fourth proportional to 10,136.15, 15,130.13 and 9,404.40 is: 14,037.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,136.15 : 15,130.13 = 9,404.40 : x
  2. Step 2: Convert to fraction form
    10,136.15/15,130.13 = 9,404.40/x
  3. Step 3: Cross multiply
    10,136.15x = 15,130.13 × 9,404.40
  4. Step 4: Simplify right side
    10,136.15x = 142,289,794.57
  5. Step 5: Solve for x
    x = 142,289,794.57/10,136.15
  6. Step 6: Final answer
    x = 14,037.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.