Home / 10,352.61-14,288.81-6,320.30

Finding the Fourth Proportional to 10,352.61, 14,288.81 and 6,320.30

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Solution

The fourth proportional to 10,352.61, 14,288.81 and 6,320.30 is: 8,723.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,352.61 : 14,288.81 = 6,320.30 : x
  2. Step 2: Convert to fraction form
    10,352.61/14,288.81 = 6,320.30/x
  3. Step 3: Cross multiply
    10,352.61x = 14,288.81 × 6,320.30
  4. Step 4: Simplify right side
    10,352.61x = 90,309,462.80
  5. Step 5: Solve for x
    x = 90,309,462.80/10,352.61
  6. Step 6: Final answer
    x = 8,723.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.