Home / 13,307.15-18,364.01-7,339.05

Finding the Fourth Proportional to 13,307.15, 18,364.01 and 7,339.05

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Solution

The fourth proportional to 13,307.15, 18,364.01 and 7,339.05 is: 10,127.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,307.15 : 18,364.01 = 7,339.05 : x
  2. Step 2: Convert to fraction form
    13,307.15/18,364.01 = 7,339.05/x
  3. Step 3: Cross multiply
    13,307.15x = 18,364.01 × 7,339.05
  4. Step 4: Simplify right side
    13,307.15x = 134,774,350.90
  5. Step 5: Solve for x
    x = 134,774,350.90/13,307.15
  6. Step 6: Final answer
    x = 10,127.96

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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.