Home / 14,337.77-19,789.28-7,966.55

Finding the Fourth Proportional to 14,337.77, 19,789.28 and 7,966.55

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Solution

The fourth proportional to 14,337.77, 19,789.28 and 7,966.55 is: 10,995.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,337.77 : 19,789.28 = 7,966.55 : x
  2. Step 2: Convert to fraction form
    14,337.77/19,789.28 = 7,966.55/x
  3. Step 3: Cross multiply
    14,337.77x = 19,789.28 × 7,966.55
  4. Step 4: Simplify right side
    14,337.77x = 157,652,307.50
  5. Step 5: Solve for x
    x = 157,652,307.50/14,337.77
  6. Step 6: Final answer
    x = 10,995.60

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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.