Home / 10,031.64-15,030.96-4,476.64

Finding the Fourth Proportional to 10,031.64, 15,030.96 and 4,476.64

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Solution

The fourth proportional to 10,031.64, 15,030.96 and 4,476.64 is: 6,707.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,031.64 : 15,030.96 = 4,476.64 : x
  2. Step 2: Convert to fraction form
    10,031.64/15,030.96 = 4,476.64/x
  3. Step 3: Cross multiply
    10,031.64x = 15,030.96 × 4,476.64
  4. Step 4: Simplify right side
    10,031.64x = 67,288,196.77
  5. Step 5: Solve for x
    x = 67,288,196.77/10,031.64
  6. Step 6: Final answer
    x = 6,707.60

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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.