Home / 10,087.16-15,130.76-4,243.74

Finding the Fourth Proportional to 10,087.16, 15,130.76 and 4,243.74

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Solution

The fourth proportional to 10,087.16, 15,130.76 and 4,243.74 is: 6,365.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,087.16 : 15,130.76 = 4,243.74 : x
  2. Step 2: Convert to fraction form
    10,087.16/15,130.76 = 4,243.74/x
  3. Step 3: Cross multiply
    10,087.16x = 15,130.76 × 4,243.74
  4. Step 4: Simplify right side
    10,087.16x = 64,210,990.22
  5. Step 5: Solve for x
    x = 64,210,990.22/10,087.16
  6. Step 6: Final answer
    x = 6,365.62

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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.