Home / 10,521.53-15,782.33-2,730.35

Finding the Fourth Proportional to 10,521.53, 15,782.33 and 2,730.35

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Solution

The fourth proportional to 10,521.53, 15,782.33 and 2,730.35 is: 4,095.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,521.53 : 15,782.33 = 2,730.35 : x
  2. Step 2: Convert to fraction form
    10,521.53/15,782.33 = 2,730.35/x
  3. Step 3: Cross multiply
    10,521.53x = 15,782.33 × 2,730.35
  4. Step 4: Simplify right side
    10,521.53x = 43,091,284.72
  5. Step 5: Solve for x
    x = 43,091,284.72/10,521.53
  6. Step 6: Final answer
    x = 4,095.53

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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.