Home / 12,985.04-19,483.32-9,650

Finding the Fourth Proportional to 12,985.04, 19,483.32 and 9,650

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Solution

The fourth proportional to 12,985.04, 19,483.32 and 9,650 is: 14,479.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,985.04 : 19,483.32 = 9,650 : x
  2. Step 2: Convert to fraction form
    12,985.04/19,483.32 = 9,650/x
  3. Step 3: Cross multiply
    12,985.04x = 19,483.32 × 9,650
  4. Step 4: Simplify right side
    12,985.04x = 188,014,038
  5. Step 5: Solve for x
    x = 188,014,038/12,985.04
  6. Step 6: Final answer
    x = 14,479.28

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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.