Home / 19,000.77-28,492.86-7,305.75

Finding the Fourth Proportional to 19,000.77, 28,492.86 and 7,305.75

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Solution

The fourth proportional to 19,000.77, 28,492.86 and 7,305.75 is: 10,955.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,000.77 : 28,492.86 = 7,305.75 : x
  2. Step 2: Convert to fraction form
    19,000.77/28,492.86 = 7,305.75/x
  3. Step 3: Cross multiply
    19,000.77x = 28,492.86 × 7,305.75
  4. Step 4: Simplify right side
    19,000.77x = 208,161,711.95
  5. Step 5: Solve for x
    x = 208,161,711.95/19,000.77
  6. Step 6: Final answer
    x = 10,955.44

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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.