Home / 10,430.63-14,347.58-9,148.20

Finding the Fourth Proportional to 10,430.63, 14,347.58 and 9,148.20

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Solution

The fourth proportional to 10,430.63, 14,347.58 and 9,148.20 is: 12,583.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,430.63 : 14,347.58 = 9,148.20 : x
  2. Step 2: Convert to fraction form
    10,430.63/14,347.58 = 9,148.20/x
  3. Step 3: Cross multiply
    10,430.63x = 14,347.58 × 9,148.20
  4. Step 4: Simplify right side
    10,430.63x = 131,254,485.62
  5. Step 5: Solve for x
    x = 131,254,485.62/10,430.63
  6. Step 6: Final answer
    x = 12,583.57

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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.