Home / 14,586.04-20,128.56-8,298.40

Finding the Fourth Proportional to 14,586.04, 20,128.56 and 8,298.40

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Solution

The fourth proportional to 14,586.04, 20,128.56 and 8,298.40 is: 11,451.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,586.04 : 20,128.56 = 8,298.40 : x
  2. Step 2: Convert to fraction form
    14,586.04/20,128.56 = 8,298.40/x
  3. Step 3: Cross multiply
    14,586.04x = 20,128.56 × 8,298.40
  4. Step 4: Simplify right side
    14,586.04x = 167,034,842.30
  5. Step 5: Solve for x
    x = 167,034,842.30/14,586.04
  6. Step 6: Final answer
    x = 11,451.69

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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.