Home / 10,787.40-14,849.19-9,300.24

Finding the Fourth Proportional to 10,787.40, 14,849.19 and 9,300.24

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Solution

The fourth proportional to 10,787.40, 14,849.19 and 9,300.24 is: 12,802.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,787.40 : 14,849.19 = 9,300.24 : x
  2. Step 2: Convert to fraction form
    10,787.40/14,849.19 = 9,300.24/x
  3. Step 3: Cross multiply
    10,787.40x = 14,849.19 × 9,300.24
  4. Step 4: Simplify right side
    10,787.40x = 138,101,030.81
  5. Step 5: Solve for x
    x = 138,101,030.81/10,787.40
  6. Step 6: Final answer
    x = 12,802.07

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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.