Home / 15,440.63-23,156.40-6,555.83

Finding the Fourth Proportional to 15,440.63, 23,156.40 and 6,555.83

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Solution

The fourth proportional to 15,440.63, 23,156.40 and 6,555.83 is: 9,831.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,440.63 : 23,156.40 = 6,555.83 : x
  2. Step 2: Convert to fraction form
    15,440.63/23,156.40 = 6,555.83/x
  3. Step 3: Cross multiply
    15,440.63x = 23,156.40 × 6,555.83
  4. Step 4: Simplify right side
    15,440.63x = 151,809,421.81
  5. Step 5: Solve for x
    x = 151,809,421.81/15,440.63
  6. Step 6: Final answer
    x = 9,831.82

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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.