Home / 10,525.10-14,521.24-6,989.01

Finding the Fourth Proportional to 10,525.10, 14,521.24 and 6,989.01

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Solution

The fourth proportional to 10,525.10, 14,521.24 and 6,989.01 is: 9,642.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,525.10 : 14,521.24 = 6,989.01 : x
  2. Step 2: Convert to fraction form
    10,525.10/14,521.24 = 6,989.01/x
  3. Step 3: Cross multiply
    10,525.10x = 14,521.24 × 6,989.01
  4. Step 4: Simplify right side
    10,525.10x = 101,489,045.85
  5. Step 5: Solve for x
    x = 101,489,045.85/10,525.10
  6. Step 6: Final answer
    x = 9,642.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.