Home / 10,309.34-15,464.04-4,384.70

Finding the Fourth Proportional to 10,309.34, 15,464.04 and 4,384.70

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Solution

The fourth proportional to 10,309.34, 15,464.04 and 4,384.70 is: 6,577.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,309.34 : 15,464.04 = 4,384.70 : x
  2. Step 2: Convert to fraction form
    10,309.34/15,464.04 = 4,384.70/x
  3. Step 3: Cross multiply
    10,309.34x = 15,464.04 × 4,384.70
  4. Step 4: Simplify right side
    10,309.34x = 67,805,176.19
  5. Step 5: Solve for x
    x = 67,805,176.19/10,309.34
  6. Step 6: Final answer
    x = 6,577.06

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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.