Home / 14,000.84-19,320.66-7,713.20

Finding the Fourth Proportional to 14,000.84, 19,320.66 and 7,713.20

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Solution

The fourth proportional to 14,000.84, 19,320.66 and 7,713.20 is: 10,643.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,000.84 : 19,320.66 = 7,713.20 : x
  2. Step 2: Convert to fraction form
    14,000.84/19,320.66 = 7,713.20/x
  3. Step 3: Cross multiply
    14,000.84x = 19,320.66 × 7,713.20
  4. Step 4: Simplify right side
    14,000.84x = 149,024,114.71
  5. Step 5: Solve for x
    x = 149,024,114.71/14,000.84
  6. Step 6: Final answer
    x = 10,643.94

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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.