Home / 15,780.56-23,664.35-5,914.76

Finding the Fourth Proportional to 15,780.56, 23,664.35 and 5,914.76

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Solution

The fourth proportional to 15,780.56, 23,664.35 and 5,914.76 is: 8,869.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,780.56 : 23,664.35 = 5,914.76 : x
  2. Step 2: Convert to fraction form
    15,780.56/23,664.35 = 5,914.76/x
  3. Step 3: Cross multiply
    15,780.56x = 23,664.35 × 5,914.76
  4. Step 4: Simplify right side
    15,780.56x = 139,968,950.81
  5. Step 5: Solve for x
    x = 139,968,950.81/15,780.56
  6. Step 6: Final answer
    x = 8,869.71

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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.