Home / 15,686.85-23,522.72-9,114.92

Finding the Fourth Proportional to 15,686.85, 23,522.72 and 9,114.92

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Solution

The fourth proportional to 15,686.85, 23,522.72 and 9,114.92 is: 13,667.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,686.85 : 23,522.72 = 9,114.92 : x
  2. Step 2: Convert to fraction form
    15,686.85/23,522.72 = 9,114.92/x
  3. Step 3: Cross multiply
    15,686.85x = 23,522.72 × 9,114.92
  4. Step 4: Simplify right side
    15,686.85x = 214,407,547.79
  5. Step 5: Solve for x
    x = 214,407,547.79/15,686.85
  6. Step 6: Final answer
    x = 13,667.98

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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.