Home / 13,318.04-19,987.14-10,037.72

Finding the Fourth Proportional to 13,318.04, 19,987.14 and 10,037.72

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Solution

The fourth proportional to 13,318.04, 19,987.14 and 10,037.72 is: 15,064.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,318.04 : 19,987.14 = 10,037.72 : x
  2. Step 2: Convert to fraction form
    13,318.04/19,987.14 = 10,037.72/x
  3. Step 3: Cross multiply
    13,318.04x = 19,987.14 × 10,037.72
  4. Step 4: Simplify right side
    13,318.04x = 200,625,314.92
  5. Step 5: Solve for x
    x = 200,625,314.92/13,318.04
  6. Step 6: Final answer
    x = 15,064.18

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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.