Home / 14,587.04-20,129.94-8,299.40

Finding the Fourth Proportional to 14,587.04, 20,129.94 and 8,299.40

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Solution

The fourth proportional to 14,587.04, 20,129.94 and 8,299.40 is: 11,453.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,587.04 : 20,129.94 = 8,299.40 : x
  2. Step 2: Convert to fraction form
    14,587.04/20,129.94 = 8,299.40/x
  3. Step 3: Cross multiply
    14,587.04x = 20,129.94 × 8,299.40
  4. Step 4: Simplify right side
    14,587.04x = 167,066,424.04
  5. Step 5: Solve for x
    x = 167,066,424.04/14,587.04
  6. Step 6: Final answer
    x = 11,453.07

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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.