Home / 10,965.02-16,459.16-8,909.84

Finding the Fourth Proportional to 10,965.02, 16,459.16 and 8,909.84

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Solution

The fourth proportional to 10,965.02, 16,459.16 and 8,909.84 is: 13,374.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,965.02 : 16,459.16 = 8,909.84 : x
  2. Step 2: Convert to fraction form
    10,965.02/16,459.16 = 8,909.84/x
  3. Step 3: Cross multiply
    10,965.02x = 16,459.16 × 8,909.84
  4. Step 4: Simplify right side
    10,965.02x = 146,648,482.13
  5. Step 5: Solve for x
    x = 146,648,482.13/10,965.02
  6. Step 6: Final answer
    x = 13,374.21

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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.