Home / 15,594.81-21,521.07-11,065.47

Finding the Fourth Proportional to 15,594.81, 21,521.07 and 11,065.47

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Solution

The fourth proportional to 15,594.81, 21,521.07 and 11,065.47 is: 15,270.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,594.81 : 21,521.07 = 11,065.47 : x
  2. Step 2: Convert to fraction form
    15,594.81/21,521.07 = 11,065.47/x
  3. Step 3: Cross multiply
    15,594.81x = 21,521.07 × 11,065.47
  4. Step 4: Simplify right side
    15,594.81x = 238,140,754.45
  5. Step 5: Solve for x
    x = 238,140,754.45/15,594.81
  6. Step 6: Final answer
    x = 15,270.51

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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.