Home / 17,988.13-26,985.84-6,895.18

Finding the Fourth Proportional to 17,988.13, 26,985.84 and 6,895.18

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Solution

The fourth proportional to 17,988.13, 26,985.84 and 6,895.18 is: 10,344.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,988.13 : 26,985.84 = 6,895.18 : x
  2. Step 2: Convert to fraction form
    17,988.13/26,985.84 = 6,895.18/x
  3. Step 3: Cross multiply
    17,988.13x = 26,985.84 × 6,895.18
  4. Step 4: Simplify right side
    17,988.13x = 186,072,224.25
  5. Step 5: Solve for x
    x = 186,072,224.25/17,988.13
  6. Step 6: Final answer
    x = 10,344.17

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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.