Home / 10,199.42-14,075.28-6,662.63

Finding the Fourth Proportional to 10,199.42, 14,075.28 and 6,662.63

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Solution

The fourth proportional to 10,199.42, 14,075.28 and 6,662.63 is: 9,194.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,199.42 : 14,075.28 = 6,662.63 : x
  2. Step 2: Convert to fraction form
    10,199.42/14,075.28 = 6,662.63/x
  3. Step 3: Cross multiply
    10,199.42x = 14,075.28 × 6,662.63
  4. Step 4: Simplify right side
    10,199.42x = 93,778,312.41
  5. Step 5: Solve for x
    x = 93,778,312.41/10,199.42
  6. Step 6: Final answer
    x = 9,194.47

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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.