Home / 14,274.20-19,695.75-8,303.69

Finding the Fourth Proportional to 14,274.20, 19,695.75 and 8,303.69

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Solution

The fourth proportional to 14,274.20, 19,695.75 and 8,303.69 is: 11,457.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,274.20 : 19,695.75 = 8,303.69 : x
  2. Step 2: Convert to fraction form
    14,274.20/19,695.75 = 8,303.69/x
  3. Step 3: Cross multiply
    14,274.20x = 19,695.75 × 8,303.69
  4. Step 4: Simplify right side
    14,274.20x = 163,547,402.32
  5. Step 5: Solve for x
    x = 163,547,402.32/14,274.20
  6. Step 6: Final answer
    x = 11,457.55

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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.