Home / 15,701.08-21,664.18-9,325.38

Finding the Fourth Proportional to 15,701.08, 21,664.18 and 9,325.38

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Solution

The fourth proportional to 15,701.08, 21,664.18 and 9,325.38 is: 12,867.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,701.08 : 21,664.18 = 9,325.38 : x
  2. Step 2: Convert to fraction form
    15,701.08/21,664.18 = 9,325.38/x
  3. Step 3: Cross multiply
    15,701.08x = 21,664.18 × 9,325.38
  4. Step 4: Simplify right side
    15,701.08x = 202,026,710.89
  5. Step 5: Solve for x
    x = 202,026,710.89/15,701.08
  6. Step 6: Final answer
    x = 12,867.06

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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.