Home / 15,847.02-21,872.36-10,470.34

Finding the Fourth Proportional to 15,847.02, 21,872.36 and 10,470.34

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Solution

The fourth proportional to 15,847.02, 21,872.36 and 10,470.34 is: 14,451.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,847.02 : 21,872.36 = 10,470.34 : x
  2. Step 2: Convert to fraction form
    15,847.02/21,872.36 = 10,470.34/x
  3. Step 3: Cross multiply
    15,847.02x = 21,872.36 × 10,470.34
  4. Step 4: Simplify right side
    15,847.02x = 229,011,045.80
  5. Step 5: Solve for x
    x = 229,011,045.80/15,847.02
  6. Step 6: Final answer
    x = 14,451.36

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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.