Home / 15,592.72-21,518.04-9,303.52

Finding the Fourth Proportional to 15,592.72, 21,518.04 and 9,303.52

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Solution

The fourth proportional to 15,592.72, 21,518.04 and 9,303.52 is: 12,838.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,592.72 : 21,518.04 = 9,303.52 : x
  2. Step 2: Convert to fraction form
    15,592.72/21,518.04 = 9,303.52/x
  3. Step 3: Cross multiply
    15,592.72x = 21,518.04 × 9,303.52
  4. Step 4: Simplify right side
    15,592.72x = 200,193,515.50
  5. Step 5: Solve for x
    x = 200,193,515.50/15,592.72
  6. Step 6: Final answer
    x = 12,838.91

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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.