Home / 14,329.28-21,510.12-7,771.52

Finding the Fourth Proportional to 14,329.28, 21,510.12 and 7,771.52

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Solution

The fourth proportional to 14,329.28, 21,510.12 and 7,771.52 is: 11,666.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,329.28 : 21,510.12 = 7,771.52 : x
  2. Step 2: Convert to fraction form
    14,329.28/21,510.12 = 7,771.52/x
  3. Step 3: Cross multiply
    14,329.28x = 21,510.12 × 7,771.52
  4. Step 4: Simplify right side
    14,329.28x = 167,166,327.78
  5. Step 5: Solve for x
    x = 167,166,327.78/14,329.28
  6. Step 6: Final answer
    x = 11,666.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.