Home / 11,248.21-15,528.46-7,271.58

Finding the Fourth Proportional to 11,248.21, 15,528.46 and 7,271.58

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Solution

The fourth proportional to 11,248.21, 15,528.46 and 7,271.58 is: 10,038.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,248.21 : 15,528.46 = 7,271.58 : x
  2. Step 2: Convert to fraction form
    11,248.21/15,528.46 = 7,271.58/x
  3. Step 3: Cross multiply
    11,248.21x = 15,528.46 × 7,271.58
  4. Step 4: Simplify right side
    11,248.21x = 112,916,439.17
  5. Step 5: Solve for x
    x = 112,916,439.17/11,248.21
  6. Step 6: Final answer
    x = 10,038.61

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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.