Home / 13,803.76-20,705.16-4,569.68

Finding the Fourth Proportional to 13,803.76, 20,705.16 and 4,569.68

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Solution

The fourth proportional to 13,803.76, 20,705.16 and 4,569.68 is: 6,854.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,803.76 : 20,705.16 = 4,569.68 : x
  2. Step 2: Convert to fraction form
    13,803.76/20,705.16 = 4,569.68/x
  3. Step 3: Cross multiply
    13,803.76x = 20,705.16 × 4,569.68
  4. Step 4: Simplify right side
    13,803.76x = 94,615,955.55
  5. Step 5: Solve for x
    x = 94,615,955.55/13,803.76
  6. Step 6: Final answer
    x = 6,854.36

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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.