Home / 15,512.73-21,400.63-10,475.34

Finding the Fourth Proportional to 15,512.73, 21,400.63 and 10,475.34

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Solution

The fourth proportional to 15,512.73, 21,400.63 and 10,475.34 is: 14,451.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,512.73 : 21,400.63 = 10,475.34 : x
  2. Step 2: Convert to fraction form
    15,512.73/21,400.63 = 10,475.34/x
  3. Step 3: Cross multiply
    15,512.73x = 21,400.63 × 10,475.34
  4. Step 4: Simplify right side
    15,512.73x = 224,178,875.46
  5. Step 5: Solve for x
    x = 224,178,875.46/15,512.73
  6. Step 6: Final answer
    x = 14,451.28

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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.