Home / 17,407.40-26,077.06-8,615.66

Finding the Fourth Proportional to 17,407.40, 26,077.06 and 8,615.66

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Solution

The fourth proportional to 17,407.40, 26,077.06 and 8,615.66 is: 12,906.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,407.40 : 26,077.06 = 8,615.66 : x
  2. Step 2: Convert to fraction form
    17,407.40/26,077.06 = 8,615.66/x
  3. Step 3: Cross multiply
    17,407.40x = 26,077.06 × 8,615.66
  4. Step 4: Simplify right side
    17,407.40x = 224,671,082.76
  5. Step 5: Solve for x
    x = 224,671,082.76/17,407.40
  6. Step 6: Final answer
    x = 12,906.64

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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.