Home / 10,339.32-14,273.16-6,615.48

Finding the Fourth Proportional to 10,339.32, 14,273.16 and 6,615.48

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Solution

The fourth proportional to 10,339.32, 14,273.16 and 6,615.48 is: 9,132.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,339.32 : 14,273.16 = 6,615.48 : x
  2. Step 2: Convert to fraction form
    10,339.32/14,273.16 = 6,615.48/x
  3. Step 3: Cross multiply
    10,339.32x = 14,273.16 × 6,615.48
  4. Step 4: Simplify right side
    10,339.32x = 94,423,804.52
  5. Step 5: Solve for x
    x = 94,423,804.52/10,339.32
  6. Step 6: Final answer
    x = 9,132.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.