Home / 15,916.40-23,898.90-11,007.80

Finding the Fourth Proportional to 15,916.40, 23,898.90 and 11,007.80

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Solution

The fourth proportional to 15,916.40, 23,898.90 and 11,007.80 is: 16,528.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,916.40 : 23,898.90 = 11,007.80 : x
  2. Step 2: Convert to fraction form
    15,916.40/23,898.90 = 11,007.80/x
  3. Step 3: Cross multiply
    15,916.40x = 23,898.90 × 11,007.80
  4. Step 4: Simplify right side
    15,916.40x = 263,074,311.42
  5. Step 5: Solve for x
    x = 263,074,311.42/15,916.40
  6. Step 6: Final answer
    x = 16,528.51

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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.