Home / 21,045.12-29,041.81-11,484.69

Finding the Fourth Proportional to 21,045.12, 29,041.81 and 11,484.69

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Solution

The fourth proportional to 21,045.12, 29,041.81 and 11,484.69 is: 15,848.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,045.12 : 29,041.81 = 11,484.69 : x
  2. Step 2: Convert to fraction form
    21,045.12/29,041.81 = 11,484.69/x
  3. Step 3: Cross multiply
    21,045.12x = 29,041.81 × 11,484.69
  4. Step 4: Simplify right side
    21,045.12x = 333,536,184.89
  5. Step 5: Solve for x
    x = 333,536,184.89/21,045.12
  6. Step 6: Final answer
    x = 15,848.62

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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.