Home / 13,435.47-18,526.02-9,187.22

Finding the Fourth Proportional to 13,435.47, 18,526.02 and 9,187.22

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Solution

The fourth proportional to 13,435.47, 18,526.02 and 9,187.22 is: 12,668.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,435.47 : 18,526.02 = 9,187.22 : x
  2. Step 2: Convert to fraction form
    13,435.47/18,526.02 = 9,187.22/x
  3. Step 3: Cross multiply
    13,435.47x = 18,526.02 × 9,187.22
  4. Step 4: Simplify right side
    13,435.47x = 170,202,633.33
  5. Step 5: Solve for x
    x = 170,202,633.33/13,435.47
  6. Step 6: Final answer
    x = 12,668.16

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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.