Home / 15,785.03-23,710.34-12,520.93

Finding the Fourth Proportional to 15,785.03, 23,710.34 and 12,520.93

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Solution

The fourth proportional to 15,785.03, 23,710.34 and 12,520.93 is: 18,807.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,785.03 : 23,710.34 = 12,520.93 : x
  2. Step 2: Convert to fraction form
    15,785.03/23,710.34 = 12,520.93/x
  3. Step 3: Cross multiply
    15,785.03x = 23,710.34 × 12,520.93
  4. Step 4: Simplify right side
    15,785.03x = 296,875,479.44
  5. Step 5: Solve for x
    x = 296,875,479.44/15,785.03
  6. Step 6: Final answer
    x = 18,807.41

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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.