Home / 10,870.02-14,999.79-6,153.39

Finding the Fourth Proportional to 10,870.02, 14,999.79 and 6,153.39

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Solution

The fourth proportional to 10,870.02, 14,999.79 and 6,153.39 is: 8,491.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,870.02 : 14,999.79 = 6,153.39 : x
  2. Step 2: Convert to fraction form
    10,870.02/14,999.79 = 6,153.39/x
  3. Step 3: Cross multiply
    10,870.02x = 14,999.79 × 6,153.39
  4. Step 4: Simplify right side
    10,870.02x = 92,299,557.79
  5. Step 5: Solve for x
    x = 92,299,557.79/10,870.02
  6. Step 6: Final answer
    x = 8,491.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.