Home / 15,501.28-23,246.10-5,638.12

Finding the Fourth Proportional to 15,501.28, 23,246.10 and 5,638.12

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Solution

The fourth proportional to 15,501.28, 23,246.10 and 5,638.12 is: 8,455.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,501.28 : 23,246.10 = 5,638.12 : x
  2. Step 2: Convert to fraction form
    15,501.28/23,246.10 = 5,638.12/x
  3. Step 3: Cross multiply
    15,501.28x = 23,246.10 × 5,638.12
  4. Step 4: Simplify right side
    15,501.28x = 131,064,301.33
  5. Step 5: Solve for x
    x = 131,064,301.33/15,501.28
  6. Step 6: Final answer
    x = 8,455.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.