Home / 12,935.91-19,411.23-5,037.40

Finding the Fourth Proportional to 12,935.91, 19,411.23 and 5,037.40

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Solution

The fourth proportional to 12,935.91, 19,411.23 and 5,037.40 is: 7,558.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,935.91 : 19,411.23 = 5,037.40 : x
  2. Step 2: Convert to fraction form
    12,935.91/19,411.23 = 5,037.40/x
  3. Step 3: Cross multiply
    12,935.91x = 19,411.23 × 5,037.40
  4. Step 4: Simplify right side
    12,935.91x = 97,782,130.00
  5. Step 5: Solve for x
    x = 97,782,130.00/12,935.91
  6. Step 6: Final answer
    x = 7,558.97

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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.