Home / 14,347.68-21,499.38-9,657.60

Finding the Fourth Proportional to 14,347.68, 21,499.38 and 9,657.60

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Solution

The fourth proportional to 14,347.68, 21,499.38 and 9,657.60 is: 14,471.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,347.68 : 21,499.38 = 9,657.60 : x
  2. Step 2: Convert to fraction form
    14,347.68/21,499.38 = 9,657.60/x
  3. Step 3: Cross multiply
    14,347.68x = 21,499.38 × 9,657.60
  4. Step 4: Simplify right side
    14,347.68x = 207,632,412.29
  5. Step 5: Solve for x
    x = 207,632,412.29/14,347.68
  6. Step 6: Final answer
    x = 14,471.50

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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.