Home / 13,621.59-20,444.81-7,052.49

Finding the Fourth Proportional to 13,621.59, 20,444.81 and 7,052.49

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Solution

The fourth proportional to 13,621.59, 20,444.81 and 7,052.49 is: 10,585.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,621.59 : 20,444.81 = 7,052.49 : x
  2. Step 2: Convert to fraction form
    13,621.59/20,444.81 = 7,052.49/x
  3. Step 3: Cross multiply
    13,621.59x = 20,444.81 × 7,052.49
  4. Step 4: Simplify right side
    13,621.59x = 144,186,782.81
  5. Step 5: Solve for x
    x = 144,186,782.81/13,621.59
  6. Step 6: Final answer
    x = 10,585.17

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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.