Home / 10,555.44-15,838.56-4,320.06

Finding the Fourth Proportional to 10,555.44, 15,838.56 and 4,320.06

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Solution

The fourth proportional to 10,555.44, 15,838.56 and 4,320.06 is: 6,482.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,555.44 : 15,838.56 = 4,320.06 : x
  2. Step 2: Convert to fraction form
    10,555.44/15,838.56 = 4,320.06/x
  3. Step 3: Cross multiply
    10,555.44x = 15,838.56 × 4,320.06
  4. Step 4: Simplify right side
    10,555.44x = 68,423,529.51
  5. Step 5: Solve for x
    x = 68,423,529.51/10,555.44
  6. Step 6: Final answer
    x = 6,482.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.