Home / 12,298.02-18,442.50-4,398.40

Finding the Fourth Proportional to 12,298.02, 18,442.50 and 4,398.40

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Solution

The fourth proportional to 12,298.02, 18,442.50 and 4,398.40 is: 6,595.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,298.02 : 18,442.50 = 4,398.40 : x
  2. Step 2: Convert to fraction form
    12,298.02/18,442.50 = 4,398.40/x
  3. Step 3: Cross multiply
    12,298.02x = 18,442.50 × 4,398.40
  4. Step 4: Simplify right side
    12,298.02x = 81,117,492
  5. Step 5: Solve for x
    x = 81,117,492/12,298.02
  6. Step 6: Final answer
    x = 6,595.98

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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.