Home / 14,275.76-19,700.59-7,988.12

Finding the Fourth Proportional to 14,275.76, 19,700.59 and 7,988.12

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Solution

The fourth proportional to 14,275.76, 19,700.59 and 7,988.12 is: 11,023.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,275.76 : 19,700.59 = 7,988.12 : x
  2. Step 2: Convert to fraction form
    14,275.76/19,700.59 = 7,988.12/x
  3. Step 3: Cross multiply
    14,275.76x = 19,700.59 × 7,988.12
  4. Step 4: Simplify right side
    14,275.76x = 157,370,558.52
  5. Step 5: Solve for x
    x = 157,370,558.52/14,275.76
  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.