Home / 10,530.47-14,535.21-6,284.51

Finding the Fourth Proportional to 10,530.47, 14,535.21 and 6,284.51

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Solution

The fourth proportional to 10,530.47, 14,535.21 and 6,284.51 is: 8,674.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,530.47 : 14,535.21 = 6,284.51 : x
  2. Step 2: Convert to fraction form
    10,530.47/14,535.21 = 6,284.51/x
  3. Step 3: Cross multiply
    10,530.47x = 14,535.21 × 6,284.51
  4. Step 4: Simplify right side
    10,530.47x = 91,346,599.92
  5. Step 5: Solve for x
    x = 91,346,599.92/10,530.47
  6. Step 6: Final answer
    x = 8,674.50

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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.