Home / 19,341.60-29,015.10-8,248.20

Finding the Fourth Proportional to 19,341.60, 29,015.10 and 8,248.20

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Solution

The fourth proportional to 19,341.60, 29,015.10 and 8,248.20 is: 12,373.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,341.60 : 29,015.10 = 8,248.20 : x
  2. Step 2: Convert to fraction form
    19,341.60/29,015.10 = 8,248.20/x
  3. Step 3: Cross multiply
    19,341.60x = 29,015.10 × 8,248.20
  4. Step 4: Simplify right side
    19,341.60x = 239,322,347.82
  5. Step 5: Solve for x
    x = 239,322,347.82/19,341.60
  6. Step 6: Final answer
    x = 12,373.45

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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.