Home / 12,281.04-18,424.80-6,436.08

Finding the Fourth Proportional to 12,281.04, 18,424.80 and 6,436.08

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Solution

The fourth proportional to 12,281.04, 18,424.80 and 6,436.08 is: 9,655.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,281.04 : 18,424.80 = 6,436.08 : x
  2. Step 2: Convert to fraction form
    12,281.04/18,424.80 = 6,436.08/x
  3. Step 3: Cross multiply
    12,281.04x = 18,424.80 × 6,436.08
  4. Step 4: Simplify right side
    12,281.04x = 118,583,486.78
  5. Step 5: Solve for x
    x = 118,583,486.78/12,281.04
  6. Step 6: Final answer
    x = 9,655.82

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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.