Home / 14,000.46-19,320.63-7,712.83

Finding the Fourth Proportional to 14,000.46, 19,320.63 and 7,712.83

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Solution

The fourth proportional to 14,000.46, 19,320.63 and 7,712.83 is: 10,643.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,000.46 : 19,320.63 = 7,712.83 : x
  2. Step 2: Convert to fraction form
    14,000.46/19,320.63 = 7,712.83/x
  3. Step 3: Cross multiply
    14,000.46x = 19,320.63 × 7,712.83
  4. Step 4: Simplify right side
    14,000.46x = 149,016,710.58
  5. Step 5: Solve for x
    x = 149,016,710.58/14,000.46
  6. Step 6: Final answer
    x = 10,643.70

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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.