Home / 12,875.02-19,312.26-4,109.79

Finding the Fourth Proportional to 12,875.02, 19,312.26 and 4,109.79

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Solution

The fourth proportional to 12,875.02, 19,312.26 and 4,109.79 is: 6,164.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,875.02 : 19,312.26 = 4,109.79 : x
  2. Step 2: Convert to fraction form
    12,875.02/19,312.26 = 4,109.79/x
  3. Step 3: Cross multiply
    12,875.02x = 19,312.26 × 4,109.79
  4. Step 4: Simplify right side
    12,875.02x = 79,369,333.03
  5. Step 5: Solve for x
    x = 79,369,333.03/12,875.02
  6. Step 6: Final answer
    x = 6,164.60

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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.