Home / 14,955.29-20,621.45-9,570.68

Finding the Fourth Proportional to 14,955.29, 20,621.45 and 9,570.68

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Solution

The fourth proportional to 14,955.29, 20,621.45 and 9,570.68 is: 13,196.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,955.29 : 20,621.45 = 9,570.68 : x
  2. Step 2: Convert to fraction form
    14,955.29/20,621.45 = 9,570.68/x
  3. Step 3: Cross multiply
    14,955.29x = 20,621.45 × 9,570.68
  4. Step 4: Simplify right side
    14,955.29x = 197,361,251.23
  5. Step 5: Solve for x
    x = 197,361,251.23/14,955.29
  6. Step 6: Final answer
    x = 13,196.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.