Home / 12,783.02-19,160.55-6,194.48

Finding the Fourth Proportional to 12,783.02, 19,160.55 and 6,194.48

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Solution

The fourth proportional to 12,783.02, 19,160.55 and 6,194.48 is: 9,284.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,783.02 : 19,160.55 = 6,194.48 : x
  2. Step 2: Convert to fraction form
    12,783.02/19,160.55 = 6,194.48/x
  3. Step 3: Cross multiply
    12,783.02x = 19,160.55 × 6,194.48
  4. Step 4: Simplify right side
    12,783.02x = 118,689,547.96
  5. Step 5: Solve for x
    x = 118,689,547.96/12,783.02
  6. Step 6: Final answer
    x = 9,284.94

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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.