Home / 15,364.46-21,209.49-10,331.60

Finding the Fourth Proportional to 15,364.46, 21,209.49 and 10,331.60

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Solution

The fourth proportional to 15,364.46, 21,209.49 and 10,331.60 is: 14,262.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,364.46 : 21,209.49 = 10,331.60 : x
  2. Step 2: Convert to fraction form
    15,364.46/21,209.49 = 10,331.60/x
  3. Step 3: Cross multiply
    15,364.46x = 21,209.49 × 10,331.60
  4. Step 4: Simplify right side
    15,364.46x = 219,127,966.88
  5. Step 5: Solve for x
    x = 219,127,966.88/15,364.46
  6. Step 6: Final answer
    x = 14,262.00

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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.