Home / 15,265.40-21,054.40-10,228.01

Finding the Fourth Proportional to 15,265.40, 21,054.40 and 10,228.01

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Solution

The fourth proportional to 15,265.40, 21,054.40 and 10,228.01 is: 14,106.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,265.40 : 21,054.40 = 10,228.01 : x
  2. Step 2: Convert to fraction form
    15,265.40/21,054.40 = 10,228.01/x
  3. Step 3: Cross multiply
    15,265.40x = 21,054.40 × 10,228.01
  4. Step 4: Simplify right side
    15,265.40x = 215,344,482.90
  5. Step 5: Solve for x
    x = 215,344,482.90/15,265.40
  6. Step 6: Final answer
    x = 14,106.71

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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.