Home / 10,985.46-16,494.60-10,821.45

Finding the Fourth Proportional to 10,985.46, 16,494.60 and 10,821.45

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Solution

The fourth proportional to 10,985.46, 16,494.60 and 10,821.45 is: 16,248.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,985.46 : 16,494.60 = 10,821.45 : x
  2. Step 2: Convert to fraction form
    10,985.46/16,494.60 = 10,821.45/x
  3. Step 3: Cross multiply
    10,985.46x = 16,494.60 × 10,821.45
  4. Step 4: Simplify right side
    10,985.46x = 178,495,489.17
  5. Step 5: Solve for x
    x = 178,495,489.17/10,985.46
  6. Step 6: Final answer
    x = 16,248.34

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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.