Home / 15,598.49-21,511.90-10,298.66

Finding the Fourth Proportional to 15,598.49, 21,511.90 and 10,298.66

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Solution

The fourth proportional to 15,598.49, 21,511.90 and 10,298.66 is: 14,202.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,598.49 : 21,511.90 = 10,298.66 : x
  2. Step 2: Convert to fraction form
    15,598.49/21,511.90 = 10,298.66/x
  3. Step 3: Cross multiply
    15,598.49x = 21,511.90 × 10,298.66
  4. Step 4: Simplify right side
    15,598.49x = 221,543,610.75
  5. Step 5: Solve for x
    x = 221,543,610.75/15,598.49
  6. Step 6: Final answer
    x = 14,202.89

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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.