Home / 12,703.12-17,528.04-7,113.04

Finding the Fourth Proportional to 12,703.12, 17,528.04 and 7,113.04

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Solution

The fourth proportional to 12,703.12, 17,528.04 and 7,113.04 is: 9,814.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,703.12 : 17,528.04 = 7,113.04 : x
  2. Step 2: Convert to fraction form
    12,703.12/17,528.04 = 7,113.04/x
  3. Step 3: Cross multiply
    12,703.12x = 17,528.04 × 7,113.04
  4. Step 4: Simplify right side
    12,703.12x = 124,677,649.64
  5. Step 5: Solve for x
    x = 124,677,649.64/12,703.12
  6. Step 6: Final answer
    x = 9,814.73

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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.