Home / 15,460.73-21,353.19-10,416.12

Finding the Fourth Proportional to 15,460.73, 21,353.19 and 10,416.12

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Solution

The fourth proportional to 15,460.73, 21,353.19 and 10,416.12 is: 14,385.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,460.73 : 21,353.19 = 10,416.12 : x
  2. Step 2: Convert to fraction form
    15,460.73/21,353.19 = 10,416.12/x
  3. Step 3: Cross multiply
    15,460.73x = 21,353.19 × 10,416.12
  4. Step 4: Simplify right side
    15,460.73x = 222,417,389.42
  5. Step 5: Solve for x
    x = 222,417,389.42/15,460.73
  6. Step 6: Final answer
    x = 14,385.96

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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.