Home / 10,619.04-14,655.45-6,142.74

Finding the Fourth Proportional to 10,619.04, 14,655.45 and 6,142.74

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Solution

The fourth proportional to 10,619.04, 14,655.45 and 6,142.74 is: 8,477.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,619.04 : 14,655.45 = 6,142.74 : x
  2. Step 2: Convert to fraction form
    10,619.04/14,655.45 = 6,142.74/x
  3. Step 3: Cross multiply
    10,619.04x = 14,655.45 × 6,142.74
  4. Step 4: Simplify right side
    10,619.04x = 90,024,618.93
  5. Step 5: Solve for x
    x = 90,024,618.93/10,619.04
  6. Step 6: Final answer
    x = 8,477.66

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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.