Home / 12,113.04-16,715.46-7,077.74

Finding the Fourth Proportional to 12,113.04, 16,715.46 and 7,077.74

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Solution

The fourth proportional to 12,113.04, 16,715.46 and 7,077.74 is: 9,766.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,113.04 : 16,715.46 = 7,077.74 : x
  2. Step 2: Convert to fraction form
    12,113.04/16,715.46 = 7,077.74/x
  3. Step 3: Cross multiply
    12,113.04x = 16,715.46 × 7,077.74
  4. Step 4: Simplify right side
    12,113.04x = 118,307,679.86
  5. Step 5: Solve for x
    x = 118,307,679.86/12,113.04
  6. Step 6: Final answer
    x = 9,766.97

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Double scale
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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.