Home / 15,303.74-21,113.74-10,001.63

Finding the Fourth Proportional to 15,303.74, 21,113.74 and 10,001.63

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Solution

The fourth proportional to 15,303.74, 21,113.74 and 10,001.63 is: 13,798.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,303.74 : 21,113.74 = 10,001.63 : x
  2. Step 2: Convert to fraction form
    15,303.74/21,113.74 = 10,001.63/x
  3. Step 3: Cross multiply
    15,303.74x = 21,113.74 × 10,001.63
  4. Step 4: Simplify right side
    15,303.74x = 211,171,843.18
  5. Step 5: Solve for x
    x = 211,171,843.18/15,303.74
  6. Step 6: Final answer
    x = 13,798.71

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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.