Home / 14,278.50-19,712.97-9,319.14

Finding the Fourth Proportional to 14,278.50, 19,712.97 and 9,319.14

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Solution

The fourth proportional to 14,278.50, 19,712.97 and 9,319.14 is: 12,866.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,278.50 : 19,712.97 = 9,319.14 : x
  2. Step 2: Convert to fraction form
    14,278.50/19,712.97 = 9,319.14/x
  3. Step 3: Cross multiply
    14,278.50x = 19,712.97 × 9,319.14
  4. Step 4: Simplify right side
    14,278.50x = 183,707,927.25
  5. Step 5: Solve for x
    x = 183,707,927.25/14,278.50
  6. Step 6: Final answer
    x = 12,866.05

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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.