Home / 14,587.08-20,130.15-8,299.45

Finding the Fourth Proportional to 14,587.08, 20,130.15 and 8,299.45

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Solution

The fourth proportional to 14,587.08, 20,130.15 and 8,299.45 is: 11,453.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,587.08 : 20,130.15 = 8,299.45 : x
  2. Step 2: Convert to fraction form
    14,587.08/20,130.15 = 8,299.45/x
  3. Step 3: Cross multiply
    14,587.08x = 20,130.15 × 8,299.45
  4. Step 4: Simplify right side
    14,587.08x = 167,069,173.42
  5. Step 5: Solve for x
    x = 167,069,173.42/14,587.08
  6. Step 6: Final answer
    x = 11,453.23

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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.