Home / 23,018.05-31,762.60-12,944.89

Finding the Fourth Proportional to 23,018.05, 31,762.60 and 12,944.89

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Solution

The fourth proportional to 23,018.05, 31,762.60 and 12,944.89 is: 17,862.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,018.05 : 31,762.60 = 12,944.89 : x
  2. Step 2: Convert to fraction form
    23,018.05/31,762.60 = 12,944.89/x
  3. Step 3: Cross multiply
    23,018.05x = 31,762.60 × 12,944.89
  4. Step 4: Simplify right side
    23,018.05x = 411,163,363.11
  5. Step 5: Solve for x
    x = 411,163,363.11/23,018.05
  6. Step 6: Final answer
    x = 17,862.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.