Home / 14,875.15-20,528.06-9,210.82

Finding the Fourth Proportional to 14,875.15, 20,528.06 and 9,210.82

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Solution

The fourth proportional to 14,875.15, 20,528.06 and 9,210.82 is: 12,711.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,875.15 : 20,528.06 = 9,210.82 : x
  2. Step 2: Convert to fraction form
    14,875.15/20,528.06 = 9,210.82/x
  3. Step 3: Cross multiply
    14,875.15x = 20,528.06 × 9,210.82
  4. Step 4: Simplify right side
    14,875.15x = 189,080,168.23
  5. Step 5: Solve for x
    x = 189,080,168.23/14,875.15
  6. Step 6: Final answer
    x = 12,711.15

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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.