Home / 13,328.65-18,395.59-8,227.14

Finding the Fourth Proportional to 13,328.65, 18,395.59 and 8,227.14

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Solution

The fourth proportional to 13,328.65, 18,395.59 and 8,227.14 is: 11,354.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,328.65 : 18,395.59 = 8,227.14 : x
  2. Step 2: Convert to fraction form
    13,328.65/18,395.59 = 8,227.14/x
  3. Step 3: Cross multiply
    13,328.65x = 18,395.59 × 8,227.14
  4. Step 4: Simplify right side
    13,328.65x = 151,343,210.11
  5. Step 5: Solve for x
    x = 151,343,210.11/13,328.65
  6. Step 6: Final answer
    x = 11,354.73

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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.