Home / 9,426.90-14,129.35-6,938.68

Finding the Fourth Proportional to 9,426.90, 14,129.35 and 6,938.68

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Solution

The fourth proportional to 9,426.90, 14,129.35 and 6,938.68 is: 10,399.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,426.90 : 14,129.35 = 6,938.68 : x
  2. Step 2: Convert to fraction form
    9,426.90/14,129.35 = 6,938.68/x
  3. Step 3: Cross multiply
    9,426.90x = 14,129.35 × 6,938.68
  4. Step 4: Simplify right side
    9,426.90x = 98,039,038.57
  5. Step 5: Solve for x
    x = 98,039,038.57/9,426.90
  6. Step 6: Final answer
    x = 10,399.92

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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.