Home / 10,340.04-14,271.56-6,307.76

Finding the Fourth Proportional to 10,340.04, 14,271.56 and 6,307.76

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Solution

The fourth proportional to 10,340.04, 14,271.56 and 6,307.76 is: 8,706.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,340.04 : 14,271.56 = 6,307.76 : x
  2. Step 2: Convert to fraction form
    10,340.04/14,271.56 = 6,307.76/x
  3. Step 3: Cross multiply
    10,340.04x = 14,271.56 × 6,307.76
  4. Step 4: Simplify right side
    10,340.04x = 90,021,575.31
  5. Step 5: Solve for x
    x = 90,021,575.31/10,340.04
  6. Step 6: Final answer
    x = 8,706.11

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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.