Home / 14,725.04-20,319.60-8,436.24

Finding the Fourth Proportional to 14,725.04, 20,319.60 and 8,436.24

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Solution

The fourth proportional to 14,725.04, 20,319.60 and 8,436.24 is: 11,641.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,725.04 : 20,319.60 = 8,436.24 : x
  2. Step 2: Convert to fraction form
    14,725.04/20,319.60 = 8,436.24/x
  3. Step 3: Cross multiply
    14,725.04x = 20,319.60 × 8,436.24
  4. Step 4: Simplify right side
    14,725.04x = 171,421,022.30
  5. Step 5: Solve for x
    x = 171,421,022.30/14,725.04
  6. Step 6: Final answer
    x = 11,641.46

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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.