Home / 15,498.42-21,368.03-10,037.85

Finding the Fourth Proportional to 15,498.42, 21,368.03 and 10,037.85

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Solution

The fourth proportional to 15,498.42, 21,368.03 and 10,037.85 is: 13,839.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,498.42 : 21,368.03 = 10,037.85 : x
  2. Step 2: Convert to fraction form
    15,498.42/21,368.03 = 10,037.85/x
  3. Step 3: Cross multiply
    15,498.42x = 21,368.03 × 10,037.85
  4. Step 4: Simplify right side
    15,498.42x = 214,488,922.91
  5. Step 5: Solve for x
    x = 214,488,922.91/15,498.42
  6. Step 6: Final answer
    x = 13,839.40

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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.