Home / 9,153.06-13,730.10-2,913.58

Finding the Fourth Proportional to 9,153.06, 13,730.10 and 2,913.58

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Solution

The fourth proportional to 9,153.06, 13,730.10 and 2,913.58 is: 4,370.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,153.06 : 13,730.10 = 2,913.58 : x
  2. Step 2: Convert to fraction form
    9,153.06/13,730.10 = 2,913.58/x
  3. Step 3: Cross multiply
    9,153.06x = 13,730.10 × 2,913.58
  4. Step 4: Simplify right side
    9,153.06x = 40,003,744.76
  5. Step 5: Solve for x
    x = 40,003,744.76/9,153.06
  6. Step 6: Final answer
    x = 4,370.53

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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.