Home / 14,713.22-20,298.66-9,407.18

Finding the Fourth Proportional to 14,713.22, 20,298.66 and 9,407.18

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Solution

The fourth proportional to 14,713.22, 20,298.66 and 9,407.18 is: 12,978.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,713.22 : 20,298.66 = 9,407.18 : x
  2. Step 2: Convert to fraction form
    14,713.22/20,298.66 = 9,407.18/x
  3. Step 3: Cross multiply
    14,713.22x = 20,298.66 × 9,407.18
  4. Step 4: Simplify right side
    14,713.22x = 190,953,148.38
  5. Step 5: Solve for x
    x = 190,953,148.38/14,713.22
  6. Step 6: Final answer
    x = 12,978.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.