Home / 13,358.71-18,441.17-9,533.35

Finding the Fourth Proportional to 13,358.71, 18,441.17 and 9,533.35

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Solution

The fourth proportional to 13,358.71, 18,441.17 and 9,533.35 is: 13,160.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,358.71 : 18,441.17 = 9,533.35 : x
  2. Step 2: Convert to fraction form
    13,358.71/18,441.17 = 9,533.35/x
  3. Step 3: Cross multiply
    13,358.71x = 18,441.17 × 9,533.35
  4. Step 4: Simplify right side
    13,358.71x = 175,806,128.02
  5. Step 5: Solve for x
    x = 175,806,128.02/13,358.71
  6. Step 6: Final answer
    x = 13,160.41

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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.