Home / 17,605.17-26,407.87-4,457.58

Finding the Fourth Proportional to 17,605.17, 26,407.87 and 4,457.58

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Solution

The fourth proportional to 17,605.17, 26,407.87 and 4,457.58 is: 6,686.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,605.17 : 26,407.87 = 4,457.58 : x
  2. Step 2: Convert to fraction form
    17,605.17/26,407.87 = 4,457.58/x
  3. Step 3: Cross multiply
    17,605.17x = 26,407.87 × 4,457.58
  4. Step 4: Simplify right side
    17,605.17x = 117,715,193.15
  5. Step 5: Solve for x
    x = 117,715,193.15/17,605.17
  6. Step 6: Final answer
    x = 6,686.40

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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.