Home / 15,599.26-21,527.40-9,315.28

Finding the Fourth Proportional to 15,599.26, 21,527.40 and 9,315.28

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Solution

The fourth proportional to 15,599.26, 21,527.40 and 9,315.28 is: 12,855.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,599.26 : 21,527.40 = 9,315.28 : x
  2. Step 2: Convert to fraction form
    15,599.26/21,527.40 = 9,315.28/x
  3. Step 3: Cross multiply
    15,599.26x = 21,527.40 × 9,315.28
  4. Step 4: Simplify right side
    15,599.26x = 200,533,758.67
  5. Step 5: Solve for x
    x = 200,533,758.67/15,599.26
  6. Step 6: Final answer
    x = 12,855.34

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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.