Home / 10,319.49-15,479.22-5,063.40

Finding the Fourth Proportional to 10,319.49, 15,479.22 and 5,063.40

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Solution

The fourth proportional to 10,319.49, 15,479.22 and 5,063.40 is: 7,595.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,319.49 : 15,479.22 = 5,063.40 : x
  2. Step 2: Convert to fraction form
    10,319.49/15,479.22 = 5,063.40/x
  3. Step 3: Cross multiply
    10,319.49x = 15,479.22 × 5,063.40
  4. Step 4: Simplify right side
    10,319.49x = 78,377,482.55
  5. Step 5: Solve for x
    x = 78,377,482.55/10,319.49
  6. Step 6: Final answer
    x = 7,595.09

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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.