Home / 19,328.64-28,985.46-6,846.35

Finding the Fourth Proportional to 19,328.64, 28,985.46 and 6,846.35

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Solution

The fourth proportional to 19,328.64, 28,985.46 and 6,846.35 is: 10,266.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,328.64 : 28,985.46 = 6,846.35 : x
  2. Step 2: Convert to fraction form
    19,328.64/28,985.46 = 6,846.35/x
  3. Step 3: Cross multiply
    19,328.64x = 28,985.46 × 6,846.35
  4. Step 4: Simplify right side
    19,328.64x = 198,444,459.14
  5. Step 5: Solve for x
    x = 198,444,459.14/19,328.64
  6. Step 6: Final answer
    x = 10,266.86

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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.