Home / 12,302.70-18,456.45-5,282.70

Finding the Fourth Proportional to 12,302.70, 18,456.45 and 5,282.70

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Solution

The fourth proportional to 12,302.70, 18,456.45 and 5,282.70 is: 7,925.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,302.70 : 18,456.45 = 5,282.70 : x
  2. Step 2: Convert to fraction form
    12,302.70/18,456.45 = 5,282.70/x
  3. Step 3: Cross multiply
    12,302.70x = 18,456.45 × 5,282.70
  4. Step 4: Simplify right side
    12,302.70x = 97,499,888.42
  5. Step 5: Solve for x
    x = 97,499,888.42/12,302.70
  6. Step 6: Final answer
    x = 7,925.08

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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.