Home / 19,015.32-28,522.95-5,164.32

Finding the Fourth Proportional to 19,015.32, 28,522.95 and 5,164.32

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Solution

The fourth proportional to 19,015.32, 28,522.95 and 5,164.32 is: 7,746.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,015.32 : 28,522.95 = 5,164.32 : x
  2. Step 2: Convert to fraction form
    19,015.32/28,522.95 = 5,164.32/x
  3. Step 3: Cross multiply
    19,015.32x = 28,522.95 × 5,164.32
  4. Step 4: Simplify right side
    19,015.32x = 147,301,641.14
  5. Step 5: Solve for x
    x = 147,301,641.14/19,015.32
  6. Step 6: Final answer
    x = 7,746.47

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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.