Home / 19,005.35-28,499.87-6,526.63

Finding the Fourth Proportional to 19,005.35, 28,499.87 and 6,526.63

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Solution

The fourth proportional to 19,005.35, 28,499.87 and 6,526.63 is: 9,787.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,005.35 : 28,499.87 = 6,526.63 : x
  2. Step 2: Convert to fraction form
    19,005.35/28,499.87 = 6,526.63/x
  3. Step 3: Cross multiply
    19,005.35x = 28,499.87 × 6,526.63
  4. Step 4: Simplify right side
    19,005.35x = 186,007,961.46
  5. Step 5: Solve for x
    x = 186,007,961.46/19,005.35
  6. Step 6: Final answer
    x = 9,787.14

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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.