Home / 15,303.36-21,113.22-10,001.25

Finding the Fourth Proportional to 15,303.36, 21,113.22 and 10,001.25

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Solution

The fourth proportional to 15,303.36, 21,113.22 and 10,001.25 is: 13,798.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,303.36 : 21,113.22 = 10,001.25 : x
  2. Step 2: Convert to fraction form
    15,303.36/21,113.22 = 10,001.25/x
  3. Step 3: Cross multiply
    15,303.36x = 21,113.22 × 10,001.25
  4. Step 4: Simplify right side
    15,303.36x = 211,158,591.53
  5. Step 5: Solve for x
    x = 211,158,591.53/15,303.36
  6. Step 6: Final answer
    x = 13,798.18

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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.