Home / 15,906.90-23,870.10-6,551.40

Finding the Fourth Proportional to 15,906.90, 23,870.10 and 6,551.40

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Solution

The fourth proportional to 15,906.90, 23,870.10 and 6,551.40 is: 9,831.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,906.90 : 23,870.10 = 6,551.40 : x
  2. Step 2: Convert to fraction form
    15,906.90/23,870.10 = 6,551.40/x
  3. Step 3: Cross multiply
    15,906.90x = 23,870.10 × 6,551.40
  4. Step 4: Simplify right side
    15,906.90x = 156,382,573.14
  5. Step 5: Solve for x
    x = 156,382,573.14/15,906.90
  6. Step 6: Final answer
    x = 9,831.12

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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.