Home / 14,685.56-20,266.08-8,312.02

Finding the Fourth Proportional to 14,685.56, 20,266.08 and 8,312.02

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Solution

The fourth proportional to 14,685.56, 20,266.08 and 8,312.02 is: 11,470.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,685.56 : 20,266.08 = 8,312.02 : x
  2. Step 2: Convert to fraction form
    14,685.56/20,266.08 = 8,312.02/x
  3. Step 3: Cross multiply
    14,685.56x = 20,266.08 × 8,312.02
  4. Step 4: Simplify right side
    14,685.56x = 168,452,062.28
  5. Step 5: Solve for x
    x = 168,452,062.28/14,685.56
  6. Step 6: Final answer
    x = 11,470.59

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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.