Home / 13,464.20-18,574.20-9,487.50

Finding the Fourth Proportional to 13,464.20, 18,574.20 and 9,487.50

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Solution

The fourth proportional to 13,464.20, 18,574.20 and 9,487.50 is: 13,088.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,464.20 : 18,574.20 = 9,487.50 : x
  2. Step 2: Convert to fraction form
    13,464.20/18,574.20 = 9,487.50/x
  3. Step 3: Cross multiply
    13,464.20x = 18,574.20 × 9,487.50
  4. Step 4: Simplify right side
    13,464.20x = 176,222,722.50
  5. Step 5: Solve for x
    x = 176,222,722.50/13,464.20
  6. Step 6: Final answer
    x = 13,088.24

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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.