Home / 10,434.55-15,612.58-7,320.63

Finding the Fourth Proportional to 10,434.55, 15,612.58 and 7,320.63

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Solution

The fourth proportional to 10,434.55, 15,612.58 and 7,320.63 is: 10,953.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,434.55 : 15,612.58 = 7,320.63 : x
  2. Step 2: Convert to fraction form
    10,434.55/15,612.58 = 7,320.63/x
  3. Step 3: Cross multiply
    10,434.55x = 15,612.58 × 7,320.63
  4. Step 4: Simplify right side
    10,434.55x = 114,293,921.53
  5. Step 5: Solve for x
    x = 114,293,921.53/10,434.55
  6. Step 6: Final answer
    x = 10,953.41

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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.