Home / 9,614.28-14,421.10-2,688.76

Finding the Fourth Proportional to 9,614.28, 14,421.10 and 2,688.76

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Solution

The fourth proportional to 9,614.28, 14,421.10 and 2,688.76 is: 4,033.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,614.28 : 14,421.10 = 2,688.76 : x
  2. Step 2: Convert to fraction form
    9,614.28/14,421.10 = 2,688.76/x
  3. Step 3: Cross multiply
    9,614.28x = 14,421.10 × 2,688.76
  4. Step 4: Simplify right side
    9,614.28x = 38,774,876.84
  5. Step 5: Solve for x
    x = 38,774,876.84/9,614.28
  6. Step 6: Final answer
    x = 4,033.05

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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.