Home / 10,428.04-14,390.13-5,952.21

Finding the Fourth Proportional to 10,428.04, 14,390.13 and 5,952.21

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Solution

The fourth proportional to 10,428.04, 14,390.13 and 5,952.21 is: 8,213.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,428.04 : 14,390.13 = 5,952.21 : x
  2. Step 2: Convert to fraction form
    10,428.04/14,390.13 = 5,952.21/x
  3. Step 3: Cross multiply
    10,428.04x = 14,390.13 × 5,952.21
  4. Step 4: Simplify right side
    10,428.04x = 85,653,075.69
  5. Step 5: Solve for x
    x = 85,653,075.69/10,428.04
  6. Step 6: Final answer
    x = 8,213.73

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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.