Home / 10,392.30-15,577.65-5,705.10

Finding the Fourth Proportional to 10,392.30, 15,577.65 and 5,705.10

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Solution

The fourth proportional to 10,392.30, 15,577.65 and 5,705.10 is: 8,551.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,392.30 : 15,577.65 = 5,705.10 : x
  2. Step 2: Convert to fraction form
    10,392.30/15,577.65 = 5,705.10/x
  3. Step 3: Cross multiply
    10,392.30x = 15,577.65 × 5,705.10
  4. Step 4: Simplify right side
    10,392.30x = 88,872,051.02
  5. Step 5: Solve for x
    x = 88,872,051.02/10,392.30
  6. Step 6: Final answer
    x = 8,551.72

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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.