Home / 19,071.20-28,606.53-7,376.15

Finding the Fourth Proportional to 19,071.20, 28,606.53 and 7,376.15

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Solution

The fourth proportional to 19,071.20, 28,606.53 and 7,376.15 is: 11,064.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,071.20 : 28,606.53 = 7,376.15 : x
  2. Step 2: Convert to fraction form
    19,071.20/28,606.53 = 7,376.15/x
  3. Step 3: Cross multiply
    19,071.20x = 28,606.53 × 7,376.15
  4. Step 4: Simplify right side
    19,071.20x = 211,006,056.26
  5. Step 5: Solve for x
    x = 211,006,056.26/19,071.20
  6. Step 6: Final answer
    x = 11,064.12

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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.