Home / 18,085.14-24,958.81-10,916.80

Finding the Fourth Proportional to 18,085.14, 24,958.81 and 10,916.80

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Solution

The fourth proportional to 18,085.14, 24,958.81 and 10,916.80 is: 15,065.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,085.14 : 24,958.81 = 10,916.80 : x
  2. Step 2: Convert to fraction form
    18,085.14/24,958.81 = 10,916.80/x
  3. Step 3: Cross multiply
    18,085.14x = 24,958.81 × 10,916.80
  4. Step 4: Simplify right side
    18,085.14x = 272,470,337.01
  5. Step 5: Solve for x
    x = 272,470,337.01/18,085.14
  6. Step 6: Final answer
    x = 15,065.98

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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.