Home / 9,920.19-13,690.16-5,444.24

Finding the Fourth Proportional to 9,920.19, 13,690.16 and 5,444.24

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Solution

The fourth proportional to 9,920.19, 13,690.16 and 5,444.24 is: 7,513.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,920.19 : 13,690.16 = 5,444.24 : x
  2. Step 2: Convert to fraction form
    9,920.19/13,690.16 = 5,444.24/x
  3. Step 3: Cross multiply
    9,920.19x = 13,690.16 × 5,444.24
  4. Step 4: Simplify right side
    9,920.19x = 74,532,421.01
  5. Step 5: Solve for x
    x = 74,532,421.01/9,920.19
  6. Step 6: Final answer
    x = 7,513.20

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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.