Home / 10,185.16-15,275.26-4,258.84

Finding the Fourth Proportional to 10,185.16, 15,275.26 and 4,258.84

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Solution

The fourth proportional to 10,185.16, 15,275.26 and 4,258.84 is: 6,387.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,185.16 : 15,275.26 = 4,258.84 : x
  2. Step 2: Convert to fraction form
    10,185.16/15,275.26 = 4,258.84/x
  3. Step 3: Cross multiply
    10,185.16x = 15,275.26 × 4,258.84
  4. Step 4: Simplify right side
    10,185.16x = 65,054,888.30
  5. Step 5: Solve for x
    x = 65,054,888.30/10,185.16
  6. Step 6: Final answer
    x = 6,387.22

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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.