Home / 19,515.26-29,275.74-6,364.40

Finding the Fourth Proportional to 19,515.26, 29,275.74 and 6,364.40

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Solution

The fourth proportional to 19,515.26, 29,275.74 and 6,364.40 is: 9,547.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,515.26 : 29,275.74 = 6,364.40 : x
  2. Step 2: Convert to fraction form
    19,515.26/29,275.74 = 6,364.40/x
  3. Step 3: Cross multiply
    19,515.26x = 29,275.74 × 6,364.40
  4. Step 4: Simplify right side
    19,515.26x = 186,322,519.66
  5. Step 5: Solve for x
    x = 186,322,519.66/19,515.26
  6. Step 6: Final answer
    x = 9,547.53

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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.