Home / 12,505.07-17,248.81-7,465.35

Finding the Fourth Proportional to 12,505.07, 17,248.81 and 7,465.35

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Solution

The fourth proportional to 12,505.07, 17,248.81 and 7,465.35 is: 10,297.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,505.07 : 17,248.81 = 7,465.35 : x
  2. Step 2: Convert to fraction form
    12,505.07/17,248.81 = 7,465.35/x
  3. Step 3: Cross multiply
    12,505.07x = 17,248.81 × 7,465.35
  4. Step 4: Simplify right side
    12,505.07x = 128,768,403.73
  5. Step 5: Solve for x
    x = 128,768,403.73/12,505.07
  6. Step 6: Final answer
    x = 10,297.30

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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.