Home / 8,956.61-12,319.02-7,184.33

Finding the Fourth Proportional to 8,956.61, 12,319.02 and 7,184.33

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Solution

The fourth proportional to 8,956.61, 12,319.02 and 7,184.33 is: 9,881.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,956.61 : 12,319.02 = 7,184.33 : x
  2. Step 2: Convert to fraction form
    8,956.61/12,319.02 = 7,184.33/x
  3. Step 3: Cross multiply
    8,956.61x = 12,319.02 × 7,184.33
  4. Step 4: Simplify right side
    8,956.61x = 88,503,889.56
  5. Step 5: Solve for x
    x = 88,503,889.56/8,956.61
  6. Step 6: Final answer
    x = 9,881.41

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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.