Home / 10,988.01-16,478.28-3,590.64

Finding the Fourth Proportional to 10,988.01, 16,478.28 and 3,590.64

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Solution

The fourth proportional to 10,988.01, 16,478.28 and 3,590.64 is: 5,384.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,988.01 : 16,478.28 = 3,590.64 : x
  2. Step 2: Convert to fraction form
    10,988.01/16,478.28 = 3,590.64/x
  3. Step 3: Cross multiply
    10,988.01x = 16,478.28 × 3,590.64
  4. Step 4: Simplify right side
    10,988.01x = 59,167,571.30
  5. Step 5: Solve for x
    x = 59,167,571.30/10,988.01
  6. Step 6: Final answer
    x = 5,384.74

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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.