Home / 13,503.04-20,258.31-4,143.36

Finding the Fourth Proportional to 13,503.04, 20,258.31 and 4,143.36

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Solution

The fourth proportional to 13,503.04, 20,258.31 and 4,143.36 is: 6,216.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,503.04 : 20,258.31 = 4,143.36 : x
  2. Step 2: Convert to fraction form
    13,503.04/20,258.31 = 4,143.36/x
  3. Step 3: Cross multiply
    13,503.04x = 20,258.31 × 4,143.36
  4. Step 4: Simplify right side
    13,503.04x = 83,937,471.32
  5. Step 5: Solve for x
    x = 83,937,471.32/13,503.04
  6. Step 6: Final answer
    x = 6,216.19

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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.