Home / 10,674.02-16,011.12-9,870.50

Finding the Fourth Proportional to 10,674.02, 16,011.12 and 9,870.50

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Solution

The fourth proportional to 10,674.02, 16,011.12 and 9,870.50 is: 14,805.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,674.02 : 16,011.12 = 9,870.50 : x
  2. Step 2: Convert to fraction form
    10,674.02/16,011.12 = 9,870.50/x
  3. Step 3: Cross multiply
    10,674.02x = 16,011.12 × 9,870.50
  4. Step 4: Simplify right side
    10,674.02x = 158,037,759.96
  5. Step 5: Solve for x
    x = 158,037,759.96/10,674.02
  6. Step 6: Final answer
    x = 14,805.83

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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.