Home / 14,328.56-19,774.60-7,955.55

Finding the Fourth Proportional to 14,328.56, 19,774.60 and 7,955.55

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Solution

The fourth proportional to 14,328.56, 19,774.60 and 7,955.55 is: 10,979.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,328.56 : 19,774.60 = 7,955.55 : x
  2. Step 2: Convert to fraction form
    14,328.56/19,774.60 = 7,955.55/x
  3. Step 3: Cross multiply
    14,328.56x = 19,774.60 × 7,955.55
  4. Step 4: Simplify right side
    14,328.56x = 157,317,799.14
  5. Step 5: Solve for x
    x = 157,317,799.14/14,328.56
  6. Step 6: Final answer
    x = 10,979.31

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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.