Home / 19,970.18-29,955.33-9,436.80

Finding the Fourth Proportional to 19,970.18, 29,955.33 and 9,436.80

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Solution

The fourth proportional to 19,970.18, 29,955.33 and 9,436.80 is: 14,155.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,970.18 : 29,955.33 = 9,436.80 : x
  2. Step 2: Convert to fraction form
    19,970.18/29,955.33 = 9,436.80/x
  3. Step 3: Cross multiply
    19,970.18x = 29,955.33 × 9,436.80
  4. Step 4: Simplify right side
    19,970.18x = 282,682,458.14
  5. Step 5: Solve for x
    x = 282,682,458.14/19,970.18
  6. Step 6: Final answer
    x = 14,155.23

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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.