Home / 17,988.60-26,985.66-4,842

Finding the Fourth Proportional to 17,988.60, 26,985.66 and 4,842

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Solution

The fourth proportional to 17,988.60, 26,985.66 and 4,842 is: 7,263.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,988.60 : 26,985.66 = 4,842 : x
  2. Step 2: Convert to fraction form
    17,988.60/26,985.66 = 4,842/x
  3. Step 3: Cross multiply
    17,988.60x = 26,985.66 × 4,842
  4. Step 4: Simplify right side
    17,988.60x = 130,664,565.72
  5. Step 5: Solve for x
    x = 130,664,565.72/17,988.60
  6. Step 6: Final answer
    x = 7,263.74

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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.