Home / 14,554.85-20,066.54-9,510.30

Finding the Fourth Proportional to 14,554.85, 20,066.54 and 9,510.30

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Solution

The fourth proportional to 14,554.85, 20,066.54 and 9,510.30 is: 13,111.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,554.85 : 20,066.54 = 9,510.30 : x
  2. Step 2: Convert to fraction form
    14,554.85/20,066.54 = 9,510.30/x
  3. Step 3: Cross multiply
    14,554.85x = 20,066.54 × 9,510.30
  4. Step 4: Simplify right side
    14,554.85x = 190,838,767.81
  5. Step 5: Solve for x
    x = 190,838,767.81/14,554.85
  6. Step 6: Final answer
    x = 13,111.70

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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.