Home / 13,800.60-19,044.90-7,513.02

Finding the Fourth Proportional to 13,800.60, 19,044.90 and 7,513.02

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Solution

The fourth proportional to 13,800.60, 19,044.90 and 7,513.02 is: 10,368.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,800.60 : 19,044.90 = 7,513.02 : x
  2. Step 2: Convert to fraction form
    13,800.60/19,044.90 = 7,513.02/x
  3. Step 3: Cross multiply
    13,800.60x = 19,044.90 × 7,513.02
  4. Step 4: Simplify right side
    13,800.60x = 143,084,714.60
  5. Step 5: Solve for x
    x = 143,084,714.60/13,800.60
  6. Step 6: Final answer
    x = 10,368.01

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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.