Home / 14,005.47-21,011.85-5,241.08

Finding the Fourth Proportional to 14,005.47, 21,011.85 and 5,241.08

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Solution

The fourth proportional to 14,005.47, 21,011.85 and 5,241.08 is: 7,862.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,005.47 : 21,011.85 = 5,241.08 : x
  2. Step 2: Convert to fraction form
    14,005.47/21,011.85 = 5,241.08/x
  3. Step 3: Cross multiply
    14,005.47x = 21,011.85 × 5,241.08
  4. Step 4: Simplify right side
    14,005.47x = 110,124,681.74
  5. Step 5: Solve for x
    x = 110,124,681.74/14,005.47
  6. Step 6: Final answer
    x = 7,862.98

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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.