Home / 15,946.59-23,919.93-4,259.79

Finding the Fourth Proportional to 15,946.59, 23,919.93 and 4,259.79

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Solution

The fourth proportional to 15,946.59, 23,919.93 and 4,259.79 is: 6,389.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,946.59 : 23,919.93 = 4,259.79 : x
  2. Step 2: Convert to fraction form
    15,946.59/23,919.93 = 4,259.79/x
  3. Step 3: Cross multiply
    15,946.59x = 23,919.93 × 4,259.79
  4. Step 4: Simplify right side
    15,946.59x = 101,893,878.61
  5. Step 5: Solve for x
    x = 101,893,878.61/15,946.59
  6. Step 6: Final answer
    x = 6,389.70

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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.