Home / 15,638.67-23,457.35-4,545.14

Finding the Fourth Proportional to 15,638.67, 23,457.35 and 4,545.14

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Solution

The fourth proportional to 15,638.67, 23,457.35 and 4,545.14 is: 6,817.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,638.67 : 23,457.35 = 4,545.14 : x
  2. Step 2: Convert to fraction form
    15,638.67/23,457.35 = 4,545.14/x
  3. Step 3: Cross multiply
    15,638.67x = 23,457.35 × 4,545.14
  4. Step 4: Simplify right side
    15,638.67x = 106,616,833.86
  5. Step 5: Solve for x
    x = 106,616,833.86/15,638.67
  6. Step 6: Final answer
    x = 6,817.51

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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.