Home / 11,159.04-15,403.05-7,385.52

Finding the Fourth Proportional to 11,159.04, 15,403.05 and 7,385.52

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Solution

The fourth proportional to 11,159.04, 15,403.05 and 7,385.52 is: 10,194.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,159.04 : 15,403.05 = 7,385.52 : x
  2. Step 2: Convert to fraction form
    11,159.04/15,403.05 = 7,385.52/x
  3. Step 3: Cross multiply
    11,159.04x = 15,403.05 × 7,385.52
  4. Step 4: Simplify right side
    11,159.04x = 113,759,533.84
  5. Step 5: Solve for x
    x = 113,759,533.84/11,159.04
  6. Step 6: Final answer
    x = 10,194.38

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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.