Home / 17,521.86-26,263.22-6,989.10

Finding the Fourth Proportional to 17,521.86, 26,263.22 and 6,989.10

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Solution

The fourth proportional to 17,521.86, 26,263.22 and 6,989.10 is: 10,475.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,521.86 : 26,263.22 = 6,989.10 : x
  2. Step 2: Convert to fraction form
    17,521.86/26,263.22 = 6,989.10/x
  3. Step 3: Cross multiply
    17,521.86x = 26,263.22 × 6,989.10
  4. Step 4: Simplify right side
    17,521.86x = 183,556,270.90
  5. Step 5: Solve for x
    x = 183,556,270.90/17,521.86
  6. Step 6: Final answer
    x = 10,475.84

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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.