Home / 14,181.03-19,569.87-7,807.50

Finding the Fourth Proportional to 14,181.03, 19,569.87 and 7,807.50

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Solution

The fourth proportional to 14,181.03, 19,569.87 and 7,807.50 is: 10,774.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,181.03 : 19,569.87 = 7,807.50 : x
  2. Step 2: Convert to fraction form
    14,181.03/19,569.87 = 7,807.50/x
  3. Step 3: Cross multiply
    14,181.03x = 19,569.87 × 7,807.50
  4. Step 4: Simplify right side
    14,181.03x = 152,791,760.03
  5. Step 5: Solve for x
    x = 152,791,760.03/14,181.03
  6. Step 6: Final answer
    x = 10,774.38

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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.