Home / 14,228.10-21,346.47-6,436.98

Finding the Fourth Proportional to 14,228.10, 21,346.47 and 6,436.98

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Solution

The fourth proportional to 14,228.10, 21,346.47 and 6,436.98 is: 9,657.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,228.10 : 21,346.47 = 6,436.98 : x
  2. Step 2: Convert to fraction form
    14,228.10/21,346.47 = 6,436.98/x
  3. Step 3: Cross multiply
    14,228.10x = 21,346.47 × 6,436.98
  4. Step 4: Simplify right side
    14,228.10x = 137,406,800.46
  5. Step 5: Solve for x
    x = 137,406,800.46/14,228.10
  6. Step 6: Final answer
    x = 9,657.42

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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.