Home / 16,564.40-22,867.33-12,779.07

Finding the Fourth Proportional to 16,564.40, 22,867.33 and 12,779.07

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Solution

The fourth proportional to 16,564.40, 22,867.33 and 12,779.07 is: 17,641.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,564.40 : 22,867.33 = 12,779.07 : x
  2. Step 2: Convert to fraction form
    16,564.40/22,867.33 = 12,779.07/x
  3. Step 3: Cross multiply
    16,564.40x = 22,867.33 × 12,779.07
  4. Step 4: Simplify right side
    16,564.40x = 292,223,210.78
  5. Step 5: Solve for x
    x = 292,223,210.78/16,564.40
  6. Step 6: Final answer
    x = 17,641.64

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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.