Home / 14,567.76-20,106.72-8,904.48

Finding the Fourth Proportional to 14,567.76, 20,106.72 and 8,904.48

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Solution

The fourth proportional to 14,567.76, 20,106.72 and 8,904.48 is: 12,290.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,567.76 : 20,106.72 = 8,904.48 : x
  2. Step 2: Convert to fraction form
    14,567.76/20,106.72 = 8,904.48/x
  3. Step 3: Cross multiply
    14,567.76x = 20,106.72 × 8,904.48
  4. Step 4: Simplify right side
    14,567.76x = 179,039,886.11
  5. Step 5: Solve for x
    x = 179,039,886.11/14,567.76
  6. Step 6: Final answer
    x = 12,290.15

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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.