Home / 9,816.96-14,725.35-2,421.48

Finding the Fourth Proportional to 9,816.96, 14,725.35 and 2,421.48

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Solution

The fourth proportional to 9,816.96, 14,725.35 and 2,421.48 is: 3,632.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,816.96 : 14,725.35 = 2,421.48 : x
  2. Step 2: Convert to fraction form
    9,816.96/14,725.35 = 2,421.48/x
  3. Step 3: Cross multiply
    9,816.96x = 14,725.35 × 2,421.48
  4. Step 4: Simplify right side
    9,816.96x = 35,657,140.52
  5. Step 5: Solve for x
    x = 35,657,140.52/9,816.96
  6. Step 6: Final answer
    x = 3,632.20

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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.