Home / 20,985.23-31,482.93-6,193.82

Finding the Fourth Proportional to 20,985.23, 31,482.93 and 6,193.82

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Solution

The fourth proportional to 20,985.23, 31,482.93 and 6,193.82 is: 9,292.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,985.23 : 31,482.93 = 6,193.82 : x
  2. Step 2: Convert to fraction form
    20,985.23/31,482.93 = 6,193.82/x
  3. Step 3: Cross multiply
    20,985.23x = 31,482.93 × 6,193.82
  4. Step 4: Simplify right side
    20,985.23x = 194,999,444.08
  5. Step 5: Solve for x
    x = 194,999,444.08/20,985.23
  6. Step 6: Final answer
    x = 9,292.23

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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.