Home / 13,346.16-19,998.45-9,390.30

Finding the Fourth Proportional to 13,346.16, 19,998.45 and 9,390.30

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Solution

The fourth proportional to 13,346.16, 19,998.45 and 9,390.30 is: 14,070.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,346.16 : 19,998.45 = 9,390.30 : x
  2. Step 2: Convert to fraction form
    13,346.16/19,998.45 = 9,390.30/x
  3. Step 3: Cross multiply
    13,346.16x = 19,998.45 × 9,390.30
  4. Step 4: Simplify right side
    13,346.16x = 187,791,445.04
  5. Step 5: Solve for x
    x = 187,791,445.04/13,346.16
  6. Step 6: Final answer
    x = 14,070.82

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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.