Home / 17,988.49-26,980.80-4,842.19

Finding the Fourth Proportional to 17,988.49, 26,980.80 and 4,842.19

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Solution

The fourth proportional to 17,988.49, 26,980.80 and 4,842.19 is: 7,262.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,988.49 : 26,980.80 = 4,842.19 : x
  2. Step 2: Convert to fraction form
    17,988.49/26,980.80 = 4,842.19/x
  3. Step 3: Cross multiply
    17,988.49x = 26,980.80 × 4,842.19
  4. Step 4: Simplify right side
    17,988.49x = 130,646,159.95
  5. Step 5: Solve for x
    x = 130,646,159.95/17,988.49
  6. Step 6: Final answer
    x = 7,262.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.