Home / 9,439.90-14,158.93-2,866.14

Finding the Fourth Proportional to 9,439.90, 14,158.93 and 2,866.14

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Solution

The fourth proportional to 9,439.90, 14,158.93 and 2,866.14 is: 4,298.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,439.90 : 14,158.93 = 2,866.14 : x
  2. Step 2: Convert to fraction form
    9,439.90/14,158.93 = 2,866.14/x
  3. Step 3: Cross multiply
    9,439.90x = 14,158.93 × 2,866.14
  4. Step 4: Simplify right side
    9,439.90x = 40,581,468.46
  5. Step 5: Solve for x
    x = 40,581,468.46/9,439.90
  6. Step 6: Final answer
    x = 4,298.93

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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.