Home / 12,686.34-19,030.77-4,365.24

Finding the Fourth Proportional to 12,686.34, 19,030.77 and 4,365.24

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Solution

The fourth proportional to 12,686.34, 19,030.77 and 4,365.24 is: 6,548.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,686.34 : 19,030.77 = 4,365.24 : x
  2. Step 2: Convert to fraction form
    12,686.34/19,030.77 = 4,365.24/x
  3. Step 3: Cross multiply
    12,686.34x = 19,030.77 × 4,365.24
  4. Step 4: Simplify right side
    12,686.34x = 83,073,878.43
  5. Step 5: Solve for x
    x = 83,073,878.43/12,686.34
  6. Step 6: Final answer
    x = 6,548.29

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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.