Home / 14,276.24-19,701.24-7,988.72

Finding the Fourth Proportional to 14,276.24, 19,701.24 and 7,988.72

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Solution

The fourth proportional to 14,276.24, 19,701.24 and 7,988.72 is: 11,024.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,276.24 : 19,701.24 = 7,988.72 : x
  2. Step 2: Convert to fraction form
    14,276.24/19,701.24 = 7,988.72/x
  3. Step 3: Cross multiply
    14,276.24x = 19,701.24 × 7,988.72
  4. Step 4: Simplify right side
    14,276.24x = 157,387,690.01
  5. Step 5: Solve for x
    x = 157,387,690.01/14,276.24
  6. Step 6: Final answer
    x = 11,024.45

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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.