Home / 10,386.64-15,577.08-4,541.92

Finding the Fourth Proportional to 10,386.64, 15,577.08 and 4,541.92

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Solution

The fourth proportional to 10,386.64, 15,577.08 and 4,541.92 is: 6,811.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,386.64 : 15,577.08 = 4,541.92 : x
  2. Step 2: Convert to fraction form
    10,386.64/15,577.08 = 4,541.92/x
  3. Step 3: Cross multiply
    10,386.64x = 15,577.08 × 4,541.92
  4. Step 4: Simplify right side
    10,386.64x = 70,749,851.19
  5. Step 5: Solve for x
    x = 70,749,851.19/10,386.64
  6. Step 6: Final answer
    x = 6,811.62

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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.