Home / 10,276.43-15,421.95-9,284.99

Finding the Fourth Proportional to 10,276.43, 15,421.95 and 9,284.99

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Solution

The fourth proportional to 10,276.43, 15,421.95 and 9,284.99 is: 13,934.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,276.43 : 15,421.95 = 9,284.99 : x
  2. Step 2: Convert to fraction form
    10,276.43/15,421.95 = 9,284.99/x
  3. Step 3: Cross multiply
    10,276.43x = 15,421.95 × 9,284.99
  4. Step 4: Simplify right side
    10,276.43x = 143,192,574.42
  5. Step 5: Solve for x
    x = 143,192,574.42/10,276.43
  6. Step 6: Final answer
    x = 13,934.08

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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.