Home / 18,988.02-26,201.70-11,030.13

Finding the Fourth Proportional to 18,988.02, 26,201.70 and 11,030.13

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Solution

The fourth proportional to 18,988.02, 26,201.70 and 11,030.13 is: 15,220.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,988.02 : 26,201.70 = 11,030.13 : x
  2. Step 2: Convert to fraction form
    18,988.02/26,201.70 = 11,030.13/x
  3. Step 3: Cross multiply
    18,988.02x = 26,201.70 × 11,030.13
  4. Step 4: Simplify right side
    18,988.02x = 289,008,157.22
  5. Step 5: Solve for x
    x = 289,008,157.22/18,988.02
  6. Step 6: Final answer
    x = 15,220.55

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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.