Home / 17,774.80-26,636.28-9,985.84

Finding the Fourth Proportional to 17,774.80, 26,636.28 and 9,985.84

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Solution

The fourth proportional to 17,774.80, 26,636.28 and 9,985.84 is: 14,964.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,774.80 : 26,636.28 = 9,985.84 : x
  2. Step 2: Convert to fraction form
    17,774.80/26,636.28 = 9,985.84/x
  3. Step 3: Cross multiply
    17,774.80x = 26,636.28 × 9,985.84
  4. Step 4: Simplify right side
    17,774.80x = 265,985,630.28
  5. Step 5: Solve for x
    x = 265,985,630.28/17,774.80
  6. Step 6: Final answer
    x = 14,964.20

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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.