Home / 9,643.90-13,307.45-5,395.18

Finding the Fourth Proportional to 9,643.90, 13,307.45 and 5,395.18

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Solution

The fourth proportional to 9,643.90, 13,307.45 and 5,395.18 is: 7,444.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,643.90 : 13,307.45 = 5,395.18 : x
  2. Step 2: Convert to fraction form
    9,643.90/13,307.45 = 5,395.18/x
  3. Step 3: Cross multiply
    9,643.90x = 13,307.45 × 5,395.18
  4. Step 4: Simplify right side
    9,643.90x = 71,796,088.09
  5. Step 5: Solve for x
    x = 71,796,088.09/9,643.90
  6. Step 6: Final answer
    x = 7,444.72

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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.