Home / 13,094.80-18,068.02-7,788.58

Finding the Fourth Proportional to 13,094.80, 18,068.02 and 7,788.58

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Solution

The fourth proportional to 13,094.80, 18,068.02 and 7,788.58 is: 10,746.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,094.80 : 18,068.02 = 7,788.58 : x
  2. Step 2: Convert to fraction form
    13,094.80/18,068.02 = 7,788.58/x
  3. Step 3: Cross multiply
    13,094.80x = 18,068.02 × 7,788.58
  4. Step 4: Simplify right side
    13,094.80x = 140,724,154.57
  5. Step 5: Solve for x
    x = 140,724,154.57/13,094.80
  6. Step 6: Final answer
    x = 10,746.57

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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.