Home / 12,075.14-18,117.90-6,532.39

Finding the Fourth Proportional to 12,075.14, 18,117.90 and 6,532.39

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Solution

The fourth proportional to 12,075.14, 18,117.90 and 6,532.39 is: 9,801.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,075.14 : 18,117.90 = 6,532.39 : x
  2. Step 2: Convert to fraction form
    12,075.14/18,117.90 = 6,532.39/x
  3. Step 3: Cross multiply
    12,075.14x = 18,117.90 × 6,532.39
  4. Step 4: Simplify right side
    12,075.14x = 118,353,188.78
  5. Step 5: Solve for x
    x = 118,353,188.78/12,075.14
  6. Step 6: Final answer
    x = 9,801.39

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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.