Home / 10,355.60-15,533.40-5,969.45

Finding the Fourth Proportional to 10,355.60, 15,533.40 and 5,969.45

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Solution

The fourth proportional to 10,355.60, 15,533.40 and 5,969.45 is: 8,954.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,355.60 : 15,533.40 = 5,969.45 : x
  2. Step 2: Convert to fraction form
    10,355.60/15,533.40 = 5,969.45/x
  3. Step 3: Cross multiply
    10,355.60x = 15,533.40 × 5,969.45
  4. Step 4: Simplify right side
    10,355.60x = 92,725,854.63
  5. Step 5: Solve for x
    x = 92,725,854.63/10,355.60
  6. Step 6: Final answer
    x = 8,954.18

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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.