Home / 10,478.42-14,463.59-6,711.72

Finding the Fourth Proportional to 10,478.42, 14,463.59 and 6,711.72

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Solution

The fourth proportional to 10,478.42, 14,463.59 and 6,711.72 is: 9,264.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,478.42 : 14,463.59 = 6,711.72 : x
  2. Step 2: Convert to fraction form
    10,478.42/14,463.59 = 6,711.72/x
  3. Step 3: Cross multiply
    10,478.42x = 14,463.59 × 6,711.72
  4. Step 4: Simplify right side
    10,478.42x = 97,075,566.27
  5. Step 5: Solve for x
    x = 97,075,566.27/10,478.42
  6. Step 6: Final answer
    x = 9,264.33

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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.