Home / 10,281.29-15,390.47-6,587.08

Finding the Fourth Proportional to 10,281.29, 15,390.47 and 6,587.08

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Solution

The fourth proportional to 10,281.29, 15,390.47 and 6,587.08 is: 9,860.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,281.29 : 15,390.47 = 6,587.08 : x
  2. Step 2: Convert to fraction form
    10,281.29/15,390.47 = 6,587.08/x
  3. Step 3: Cross multiply
    10,281.29x = 15,390.47 × 6,587.08
  4. Step 4: Simplify right side
    10,281.29x = 101,378,235.12
  5. Step 5: Solve for x
    x = 101,378,235.12/10,281.29
  6. Step 6: Final answer
    x = 9,860.46

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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.