Home / 12,088.32-18,130.93-3,323.92

Finding the Fourth Proportional to 12,088.32, 18,130.93 and 3,323.92

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Solution

The fourth proportional to 12,088.32, 18,130.93 and 3,323.92 is: 4,985.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,088.32 : 18,130.93 = 3,323.92 : x
  2. Step 2: Convert to fraction form
    12,088.32/18,130.93 = 3,323.92/x
  3. Step 3: Cross multiply
    12,088.32x = 18,130.93 × 3,323.92
  4. Step 4: Simplify right side
    12,088.32x = 60,265,707.21
  5. Step 5: Solve for x
    x = 60,265,707.21/12,088.32
  6. Step 6: Final answer
    x = 4,985.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.