Home / 14,275.44-19,700.55-7,987.95

Finding the Fourth Proportional to 14,275.44, 19,700.55 and 7,987.95

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Solution

The fourth proportional to 14,275.44, 19,700.55 and 7,987.95 is: 11,023.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,275.44 : 19,700.55 = 7,987.95 : x
  2. Step 2: Convert to fraction form
    14,275.44/19,700.55 = 7,987.95/x
  3. Step 3: Cross multiply
    14,275.44x = 19,700.55 × 7,987.95
  4. Step 4: Simplify right side
    14,275.44x = 157,367,008.37
  5. Step 5: Solve for x
    x = 157,367,008.37/14,275.44
  6. Step 6: Final answer
    x = 11,023.62

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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.