Home / 11,312.79-16,937.52-8,530.76

Finding the Fourth Proportional to 11,312.79, 16,937.52 and 8,530.76

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Solution

The fourth proportional to 11,312.79, 16,937.52 and 8,530.76 is: 12,772.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,312.79 : 16,937.52 = 8,530.76 : x
  2. Step 2: Convert to fraction form
    11,312.79/16,937.52 = 8,530.76/x
  3. Step 3: Cross multiply
    11,312.79x = 16,937.52 × 8,530.76
  4. Step 4: Simplify right side
    11,312.79x = 144,489,918.12
  5. Step 5: Solve for x
    x = 144,489,918.12/11,312.79
  6. Step 6: Final answer
    x = 12,772.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.