Home / 10,545.74-15,804.95-4,298.59

Finding the Fourth Proportional to 10,545.74, 15,804.95 and 4,298.59

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Solution

The fourth proportional to 10,545.74, 15,804.95 and 4,298.59 is: 6,442.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,545.74 : 15,804.95 = 4,298.59 : x
  2. Step 2: Convert to fraction form
    10,545.74/15,804.95 = 4,298.59/x
  3. Step 3: Cross multiply
    10,545.74x = 15,804.95 × 4,298.59
  4. Step 4: Simplify right side
    10,545.74x = 67,939,054.82
  5. Step 5: Solve for x
    x = 67,939,054.82/10,545.74
  6. Step 6: Final answer
    x = 6,442.32

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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.