Home / 14,678.45-20,256.60-8,710.16

Finding the Fourth Proportional to 14,678.45, 20,256.60 and 8,710.16

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Solution

The fourth proportional to 14,678.45, 20,256.60 and 8,710.16 is: 12,020.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,678.45 : 20,256.60 = 8,710.16 : x
  2. Step 2: Convert to fraction form
    14,678.45/20,256.60 = 8,710.16/x
  3. Step 3: Cross multiply
    14,678.45x = 20,256.60 × 8,710.16
  4. Step 4: Simplify right side
    14,678.45x = 176,438,158.44
  5. Step 5: Solve for x
    x = 176,438,158.44/14,678.45
  6. Step 6: Final answer
    x = 12,020.22

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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.