Home / 11,523.90-15,902.37-6,488.22

Finding the Fourth Proportional to 11,523.90, 15,902.37 and 6,488.22

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Solution

The fourth proportional to 11,523.90, 15,902.37 and 6,488.22 is: 8,953.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,523.90 : 15,902.37 = 6,488.22 : x
  2. Step 2: Convert to fraction form
    11,523.90/15,902.37 = 6,488.22/x
  3. Step 3: Cross multiply
    11,523.90x = 15,902.37 × 6,488.22
  4. Step 4: Simplify right side
    11,523.90x = 103,178,075.08
  5. Step 5: Solve for x
    x = 103,178,075.08/11,523.90
  6. Step 6: Final answer
    x = 8,953.40

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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.