Home / 13,404.36-18,497.73-7,435.91

Finding the Fourth Proportional to 13,404.36, 18,497.73 and 7,435.91

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Solution

The fourth proportional to 13,404.36, 18,497.73 and 7,435.91 is: 10,261.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,404.36 : 18,497.73 = 7,435.91 : x
  2. Step 2: Convert to fraction form
    13,404.36/18,497.73 = 7,435.91/x
  3. Step 3: Cross multiply
    13,404.36x = 18,497.73 × 7,435.91
  4. Step 4: Simplify right side
    13,404.36x = 137,547,455.48
  5. Step 5: Solve for x
    x = 137,547,455.48/13,404.36
  6. Step 6: Final answer
    x = 10,261.40

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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.