Home / 10,275.39-15,416.12-4,349.23

Finding the Fourth Proportional to 10,275.39, 15,416.12 and 4,349.23

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Solution

The fourth proportional to 10,275.39, 15,416.12 and 4,349.23 is: 6,525.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,275.39 : 15,416.12 = 4,349.23 : x
  2. Step 2: Convert to fraction form
    10,275.39/15,416.12 = 4,349.23/x
  3. Step 3: Cross multiply
    10,275.39x = 15,416.12 × 4,349.23
  4. Step 4: Simplify right side
    10,275.39x = 67,048,223.92
  5. Step 5: Solve for x
    x = 67,048,223.92/10,275.39
  6. Step 6: Final answer
    x = 6,525.13

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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.