Home / 10,488.36-15,730.02-4,641.72

Finding the Fourth Proportional to 10,488.36, 15,730.02 and 4,641.72

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Solution

The fourth proportional to 10,488.36, 15,730.02 and 4,641.72 is: 6,961.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,488.36 : 15,730.02 = 4,641.72 : x
  2. Step 2: Convert to fraction form
    10,488.36/15,730.02 = 4,641.72/x
  3. Step 3: Cross multiply
    10,488.36x = 15,730.02 × 4,641.72
  4. Step 4: Simplify right side
    10,488.36x = 73,014,348.43
  5. Step 5: Solve for x
    x = 73,014,348.43/10,488.36
  6. Step 6: Final answer
    x = 6,961.46

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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.