Home / 15,830.41-23,746.98-4,143.63

Finding the Fourth Proportional to 15,830.41, 23,746.98 and 4,143.63

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Solution

The fourth proportional to 15,830.41, 23,746.98 and 4,143.63 is: 6,215.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,830.41 : 23,746.98 = 4,143.63 : x
  2. Step 2: Convert to fraction form
    15,830.41/23,746.98 = 4,143.63/x
  3. Step 3: Cross multiply
    15,830.41x = 23,746.98 × 4,143.63
  4. Step 4: Simplify right side
    15,830.41x = 98,398,698.74
  5. Step 5: Solve for x
    x = 98,398,698.74/15,830.41
  6. Step 6: Final answer
    x = 6,215.80

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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.