Home / 9,763.20-13,495.36-8,988.18

Finding the Fourth Proportional to 9,763.20, 13,495.36 and 8,988.18

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Solution

The fourth proportional to 9,763.20, 13,495.36 and 8,988.18 is: 12,424.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,763.20 : 13,495.36 = 8,988.18 : x
  2. Step 2: Convert to fraction form
    9,763.20/13,495.36 = 8,988.18/x
  3. Step 3: Cross multiply
    9,763.20x = 13,495.36 × 8,988.18
  4. Step 4: Simplify right side
    9,763.20x = 121,298,724.84
  5. Step 5: Solve for x
    x = 121,298,724.84/9,763.20
  6. Step 6: Final answer
    x = 12,424.07

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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.