Home / 26,123.03-39,164.45-12,965.19

Finding the Fourth Proportional to 26,123.03, 39,164.45 and 12,965.19

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Solution

The fourth proportional to 26,123.03, 39,164.45 and 12,965.19 is: 19,437.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,123.03 : 39,164.45 = 12,965.19 : x
  2. Step 2: Convert to fraction form
    26,123.03/39,164.45 = 12,965.19/x
  3. Step 3: Cross multiply
    26,123.03x = 39,164.45 × 12,965.19
  4. Step 4: Simplify right side
    26,123.03x = 507,774,470.67
  5. Step 5: Solve for x
    x = 507,774,470.67/26,123.03
  6. Step 6: Final answer
    x = 19,437.81

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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.