Home / 13,001.58-19,502.51-3,140.91

Finding the Fourth Proportional to 13,001.58, 19,502.51 and 3,140.91

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Solution

The fourth proportional to 13,001.58, 19,502.51 and 3,140.91 is: 4,711.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,001.58 : 19,502.51 = 3,140.91 : x
  2. Step 2: Convert to fraction form
    13,001.58/19,502.51 = 3,140.91/x
  3. Step 3: Cross multiply
    13,001.58x = 19,502.51 × 3,140.91
  4. Step 4: Simplify right side
    13,001.58x = 61,255,612.98
  5. Step 5: Solve for x
    x = 61,255,612.98/13,001.58
  6. Step 6: Final answer
    x = 4,711.40

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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.