Home / 12,935.04-19,406.13-4,615.86

Finding the Fourth Proportional to 12,935.04, 19,406.13 and 4,615.86

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Solution

The fourth proportional to 12,935.04, 19,406.13 and 4,615.86 is: 6,925.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,935.04 : 19,406.13 = 4,615.86 : x
  2. Step 2: Convert to fraction form
    12,935.04/19,406.13 = 4,615.86/x
  3. Step 3: Cross multiply
    12,935.04x = 19,406.13 × 4,615.86
  4. Step 4: Simplify right side
    12,935.04x = 89,576,006.07
  5. Step 5: Solve for x
    x = 89,576,006.07/12,935.04
  6. Step 6: Final answer
    x = 6,925.07

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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.