Home / 14,117.40-21,183.40-7,545.60

Finding the Fourth Proportional to 14,117.40, 21,183.40 and 7,545.60

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Solution

The fourth proportional to 14,117.40, 21,183.40 and 7,545.60 is: 11,322.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,117.40 : 21,183.40 = 7,545.60 : x
  2. Step 2: Convert to fraction form
    14,117.40/21,183.40 = 7,545.60/x
  3. Step 3: Cross multiply
    14,117.40x = 21,183.40 × 7,545.60
  4. Step 4: Simplify right side
    14,117.40x = 159,841,463.04
  5. Step 5: Solve for x
    x = 159,841,463.04/14,117.40
  6. Step 6: Final answer
    x = 11,322.30

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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.