Home / 15,645.04-23,463.18-7,851.76

Finding the Fourth Proportional to 15,645.04, 23,463.18 and 7,851.76

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Solution

The fourth proportional to 15,645.04, 23,463.18 and 7,851.76 is: 11,775.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,645.04 : 23,463.18 = 7,851.76 : x
  2. Step 2: Convert to fraction form
    15,645.04/23,463.18 = 7,851.76/x
  3. Step 3: Cross multiply
    15,645.04x = 23,463.18 × 7,851.76
  4. Step 4: Simplify right side
    15,645.04x = 184,227,258.20
  5. Step 5: Solve for x
    x = 184,227,258.20/15,645.04
  6. Step 6: Final answer
    x = 11,775.44

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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.