Home / 19,215.68-28,803.77-7,366.23

Finding the Fourth Proportional to 19,215.68, 28,803.77 and 7,366.23

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Solution

The fourth proportional to 19,215.68, 28,803.77 and 7,366.23 is: 11,041.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,215.68 : 28,803.77 = 7,366.23 : x
  2. Step 2: Convert to fraction form
    19,215.68/28,803.77 = 7,366.23/x
  3. Step 3: Cross multiply
    19,215.68x = 28,803.77 × 7,366.23
  4. Step 4: Simplify right side
    19,215.68x = 212,175,157.86
  5. Step 5: Solve for x
    x = 212,175,157.86/19,215.68
  6. Step 6: Final answer
    x = 11,041.77

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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.