Home / 16,869.57-23,280.75-9,701.81

Finding the Fourth Proportional to 16,869.57, 23,280.75 and 9,701.81

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Solution

The fourth proportional to 16,869.57, 23,280.75 and 9,701.81 is: 13,388.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,869.57 : 23,280.75 = 9,701.81 : x
  2. Step 2: Convert to fraction form
    16,869.57/23,280.75 = 9,701.81/x
  3. Step 3: Cross multiply
    16,869.57x = 23,280.75 × 9,701.81
  4. Step 4: Simplify right side
    16,869.57x = 225,865,384.06
  5. Step 5: Solve for x
    x = 225,865,384.06/16,869.57
  6. Step 6: Final answer
    x = 13,388.93

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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.