Home / 13,130.09-19,702.73-5,233.35

Finding the Fourth Proportional to 13,130.09, 19,702.73 and 5,233.35

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Solution

The fourth proportional to 13,130.09, 19,702.73 and 5,233.35 is: 7,853.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,130.09 : 19,702.73 = 5,233.35 : x
  2. Step 2: Convert to fraction form
    13,130.09/19,702.73 = 5,233.35/x
  3. Step 3: Cross multiply
    13,130.09x = 19,702.73 × 5,233.35
  4. Step 4: Simplify right side
    13,130.09x = 103,111,282.05
  5. Step 5: Solve for x
    x = 103,111,282.05/13,130.09
  6. Step 6: Final answer
    x = 7,853.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.