Home / 15,848.91-21,872.03-9,475.29

Finding the Fourth Proportional to 15,848.91, 21,872.03 and 9,475.29

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Solution

The fourth proportional to 15,848.91, 21,872.03 and 9,475.29 is: 13,076.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,848.91 : 21,872.03 = 9,475.29 : x
  2. Step 2: Convert to fraction form
    15,848.91/21,872.03 = 9,475.29/x
  3. Step 3: Cross multiply
    15,848.91x = 21,872.03 × 9,475.29
  4. Step 4: Simplify right side
    15,848.91x = 207,243,779.76
  5. Step 5: Solve for x
    x = 207,243,779.76/15,848.91
  6. Step 6: Final answer
    x = 13,076.22

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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.