Home / 13,948.64-19,245.69-7,899.02

Finding the Fourth Proportional to 13,948.64, 19,245.69 and 7,899.02

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Solution

The fourth proportional to 13,948.64, 19,245.69 and 7,899.02 is: 10,898.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,948.64 : 19,245.69 = 7,899.02 : x
  2. Step 2: Convert to fraction form
    13,948.64/19,245.69 = 7,899.02/x
  3. Step 3: Cross multiply
    13,948.64x = 19,245.69 × 7,899.02
  4. Step 4: Simplify right side
    13,948.64x = 152,022,090.22
  5. Step 5: Solve for x
    x = 152,022,090.22/13,948.64
  6. Step 6: Final answer
    x = 10,898.70

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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.