Home / 15,417.34-21,261.49-10,234.05

Finding the Fourth Proportional to 15,417.34, 21,261.49 and 10,234.05

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Solution

The fourth proportional to 15,417.34, 21,261.49 and 10,234.05 is: 14,113.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,417.34 : 21,261.49 = 10,234.05 : x
  2. Step 2: Convert to fraction form
    15,417.34/21,261.49 = 10,234.05/x
  3. Step 3: Cross multiply
    15,417.34x = 21,261.49 × 10,234.05
  4. Step 4: Simplify right side
    15,417.34x = 217,591,151.73
  5. Step 5: Solve for x
    x = 217,591,151.73/15,417.34
  6. Step 6: Final answer
    x = 14,113.40

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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.