Home / 15,440.81-23,161.47-4,347.77

Finding the Fourth Proportional to 15,440.81, 23,161.47 and 4,347.77

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Solution

The fourth proportional to 15,440.81, 23,161.47 and 4,347.77 is: 6,521.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,440.81 : 23,161.47 = 4,347.77 : x
  2. Step 2: Convert to fraction form
    15,440.81/23,161.47 = 4,347.77/x
  3. Step 3: Cross multiply
    15,440.81x = 23,161.47 × 4,347.77
  4. Step 4: Simplify right side
    15,440.81x = 100,700,612.31
  5. Step 5: Solve for x
    x = 100,700,612.31/15,440.81
  6. Step 6: Final answer
    x = 6,521.72

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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.