Home / 14,095.28-19,451.32-7,807.60

Finding the Fourth Proportional to 14,095.28, 19,451.32 and 7,807.60

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Solution

The fourth proportional to 14,095.28, 19,451.32 and 7,807.60 is: 10,774.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,095.28 : 19,451.32 = 7,807.60 : x
  2. Step 2: Convert to fraction form
    14,095.28/19,451.32 = 7,807.60/x
  3. Step 3: Cross multiply
    14,095.28x = 19,451.32 × 7,807.60
  4. Step 4: Simplify right side
    14,095.28x = 151,868,126.03
  5. Step 5: Solve for x
    x = 151,868,126.03/14,095.28
  6. Step 6: Final answer
    x = 10,774.40

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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.