Home / 14,218.84-21,280.80-10,700.32

Finding the Fourth Proportional to 14,218.84, 21,280.80 and 10,700.32

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Solution

The fourth proportional to 14,218.84, 21,280.80 and 10,700.32 is: 16,014.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,218.84 : 21,280.80 = 10,700.32 : x
  2. Step 2: Convert to fraction form
    14,218.84/21,280.80 = 10,700.32/x
  3. Step 3: Cross multiply
    14,218.84x = 21,280.80 × 10,700.32
  4. Step 4: Simplify right side
    14,218.84x = 227,711,369.86
  5. Step 5: Solve for x
    x = 227,711,369.86/14,218.84
  6. Step 6: Final answer
    x = 16,014.76

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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.