Home / 9,990.02-14,985.03-2,970.00

Finding the Fourth Proportional to 9,990.02, 14,985.03 and 2,970.00

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Solution

The fourth proportional to 9,990.02, 14,985.03 and 2,970.00 is: 4,455.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,990.02 : 14,985.03 = 2,970.00 : x
  2. Step 2: Convert to fraction form
    9,990.02/14,985.03 = 2,970.00/x
  3. Step 3: Cross multiply
    9,990.02x = 14,985.03 × 2,970.00
  4. Step 4: Simplify right side
    9,990.02x = 44,505,567.32
  5. Step 5: Solve for x
    x = 44,505,567.32/9,990.02
  6. Step 6: Final answer
    x = 4,455.00

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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.