Home / 14,011.29-19,335.59-7,637.91

Finding the Fourth Proportional to 14,011.29, 19,335.59 and 7,637.91

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Solution

The fourth proportional to 14,011.29, 19,335.59 and 7,637.91 is: 10,540.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,011.29 : 19,335.59 = 7,637.91 : x
  2. Step 2: Convert to fraction form
    14,011.29/19,335.59 = 7,637.91/x
  3. Step 3: Cross multiply
    14,011.29x = 19,335.59 × 7,637.91
  4. Step 4: Simplify right side
    14,011.29x = 147,683,458.03
  5. Step 5: Solve for x
    x = 147,683,458.03/14,011.29
  6. Step 6: Final answer
    x = 10,540.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.