Home / 15,644.62-23,457.47-6,145.57

Finding the Fourth Proportional to 15,644.62, 23,457.47 and 6,145.57

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Solution

The fourth proportional to 15,644.62, 23,457.47 and 6,145.57 is: 9,214.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,644.62 : 23,457.47 = 6,145.57 : x
  2. Step 2: Convert to fraction form
    15,644.62/23,457.47 = 6,145.57/x
  3. Step 3: Cross multiply
    15,644.62x = 23,457.47 × 6,145.57
  4. Step 4: Simplify right side
    15,644.62x = 144,159,407.84
  5. Step 5: Solve for x
    x = 144,159,407.84/15,644.62
  6. Step 6: Final answer
    x = 9,214.63

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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.