Home / 13,332.08-18,398.20-7,364.16

Finding the Fourth Proportional to 13,332.08, 18,398.20 and 7,364.16

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Solution

The fourth proportional to 13,332.08, 18,398.20 and 7,364.16 is: 10,162.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,332.08 : 18,398.20 = 7,364.16 : x
  2. Step 2: Convert to fraction form
    13,332.08/18,398.20 = 7,364.16/x
  3. Step 3: Cross multiply
    13,332.08x = 18,398.20 × 7,364.16
  4. Step 4: Simplify right side
    13,332.08x = 135,487,288.51
  5. Step 5: Solve for x
    x = 135,487,288.51/13,332.08
  6. Step 6: Final answer
    x = 10,162.50

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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.