Home / 14,145.86-19,526.56-12,148.40

Finding the Fourth Proportional to 14,145.86, 19,526.56 and 12,148.40

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Solution

The fourth proportional to 14,145.86, 19,526.56 and 12,148.40 is: 16,769.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,145.86 : 19,526.56 = 12,148.40 : x
  2. Step 2: Convert to fraction form
    14,145.86/19,526.56 = 12,148.40/x
  3. Step 3: Cross multiply
    14,145.86x = 19,526.56 × 12,148.40
  4. Step 4: Simplify right side
    14,145.86x = 237,216,461.50
  5. Step 5: Solve for x
    x = 237,216,461.50/14,145.86
  6. Step 6: Final answer
    x = 16,769.32

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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.