Home / 21,280.95-31,926.60-9,594.18

Finding the Fourth Proportional to 21,280.95, 31,926.60 and 9,594.18

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Solution

The fourth proportional to 21,280.95, 31,926.60 and 9,594.18 is: 14,393.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,280.95 : 31,926.60 = 9,594.18 : x
  2. Step 2: Convert to fraction form
    21,280.95/31,926.60 = 9,594.18/x
  3. Step 3: Cross multiply
    21,280.95x = 31,926.60 × 9,594.18
  4. Step 4: Simplify right side
    21,280.95x = 306,309,547.19
  5. Step 5: Solve for x
    x = 306,309,547.19/21,280.95
  6. Step 6: Final answer
    x = 14,393.60

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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.