Home / 12,948.42-19,393.40-9,070.14

Finding the Fourth Proportional to 12,948.42, 19,393.40 and 9,070.14

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Solution

The fourth proportional to 12,948.42, 19,393.40 and 9,070.14 is: 13,584.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,948.42 : 19,393.40 = 9,070.14 : x
  2. Step 2: Convert to fraction form
    12,948.42/19,393.40 = 9,070.14/x
  3. Step 3: Cross multiply
    12,948.42x = 19,393.40 × 9,070.14
  4. Step 4: Simplify right side
    12,948.42x = 175,900,853.08
  5. Step 5: Solve for x
    x = 175,900,853.08/12,948.42
  6. Step 6: Final answer
    x = 13,584.73

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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.