Home / 10,307.22-14,217.57-9,047.28

Finding the Fourth Proportional to 10,307.22, 14,217.57 and 9,047.28

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Solution

The fourth proportional to 10,307.22, 14,217.57 and 9,047.28 is: 12,479.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,307.22 : 14,217.57 = 9,047.28 : x
  2. Step 2: Convert to fraction form
    10,307.22/14,217.57 = 9,047.28/x
  3. Step 3: Cross multiply
    10,307.22x = 14,217.57 × 9,047.28
  4. Step 4: Simplify right side
    10,307.22x = 128,630,336.71
  5. Step 5: Solve for x
    x = 128,630,336.71/10,307.22
  6. Step 6: Final answer
    x = 12,479.63

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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.