Home / 15,711.04-23,560.16-7,810.72

Finding the Fourth Proportional to 15,711.04, 23,560.16 and 7,810.72

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Solution

The fourth proportional to 15,711.04, 23,560.16 and 7,810.72 is: 11,712.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,711.04 : 23,560.16 = 7,810.72 : x
  2. Step 2: Convert to fraction form
    15,711.04/23,560.16 = 7,810.72/x
  3. Step 3: Cross multiply
    15,711.04x = 23,560.16 × 7,810.72
  4. Step 4: Simplify right side
    15,711.04x = 184,021,812.92
  5. Step 5: Solve for x
    x = 184,021,812.92/15,711.04
  6. Step 6: Final answer
    x = 11,712.90

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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.