Home / 15,803.19-23,707.08-6,443.78

Finding the Fourth Proportional to 15,803.19, 23,707.08 and 6,443.78

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Solution

The fourth proportional to 15,803.19, 23,707.08 and 6,443.78 is: 9,666.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,803.19 : 23,707.08 = 6,443.78 : x
  2. Step 2: Convert to fraction form
    15,803.19/23,707.08 = 6,443.78/x
  3. Step 3: Cross multiply
    15,803.19x = 23,707.08 × 6,443.78
  4. Step 4: Simplify right side
    15,803.19x = 152,763,207.96
  5. Step 5: Solve for x
    x = 152,763,207.96/15,803.19
  6. Step 6: Final answer
    x = 9,666.61

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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.