Home / 16,405.99-24,612.90-5,312.70

Finding the Fourth Proportional to 16,405.99, 24,612.90 and 5,312.70

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Solution

The fourth proportional to 16,405.99, 24,612.90 and 5,312.70 is: 7,970.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,405.99 : 24,612.90 = 5,312.70 : x
  2. Step 2: Convert to fraction form
    16,405.99/24,612.90 = 5,312.70/x
  3. Step 3: Cross multiply
    16,405.99x = 24,612.90 × 5,312.70
  4. Step 4: Simplify right side
    16,405.99x = 130,760,933.91
  5. Step 5: Solve for x
    x = 130,760,933.91/16,405.99
  6. Step 6: Final answer
    x = 7,970.32

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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.