Home / 10,920.02-15,069.84-6,204.32

Finding the Fourth Proportional to 10,920.02, 15,069.84 and 6,204.32

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Solution

The fourth proportional to 10,920.02, 15,069.84 and 6,204.32 is: 8,562.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,920.02 : 15,069.84 = 6,204.32 : x
  2. Step 2: Convert to fraction form
    10,920.02/15,069.84 = 6,204.32/x
  3. Step 3: Cross multiply
    10,920.02x = 15,069.84 × 6,204.32
  4. Step 4: Simplify right side
    10,920.02x = 93,498,109.71
  5. Step 5: Solve for x
    x = 93,498,109.71/10,920.02
  6. Step 6: Final answer
    x = 8,562.08

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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.